1. Is -7 + 9= -9 + 7 true, false, or open A. TrueB. FalseC. Open2. Is 4x - 3 = 19 true, false, or openA. TrueB. FalseC. Open3. Which of the following is a solution to the equation 16 = 4x - 4A. -5 B. -4C. 5 D. 164. An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width. The length of the student's model is 42 in. What should the width of the model be?A. 17.5 inB. 20.5 inC. 83.6 inD. 100.8 in5. Use mental math to determine the solution to x - 3 = 10A. X=7B. X=13C. X=30D. X=0

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general 11 months ago 5968

WORTH 30 PTS PLS ANSWER ASAP.Jordan is a manager of a car dealership. He has two professional car washers, Matthew and Arianna, to clean the entire lot of cars. Matthew can wash all the cars in 14 hours. Arianna can wash all the cars in 11 hours. Jordan wants to know how long it will take them to wash all the cars in the lot if they work together. Write an equation and solve for the time it will take Matthew and Arianna to wash all the cars together. Explain each step.

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general 11 months ago 1880

here Choose the point-slope form of the equation below that represents the line that passes through the points (−6, 4) and (2, 0).y − 4 = −one half(x + 6)y − 4 = 2(x + 6)y + 6 = −one half(x − 4)y + 6 = 2(x − 4)Question 2 (Multiple Choice Worth 2 points)Given the equation y − 3 = one half(x + 6) in point-slope form, identify the equation of the same line in standard form.x − 2y = −12y = one halfxy = one halfx + 6y = one halfx + 9Question 3 (Multiple Choice Worth 2 points)Given the equation y − 4 = three fourths(x + 8) in point-slope form, identif

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general 11 months ago 2911