The cost of jake's cell phone bill is determined by how many megabytes of data he uses each month, as shown in the graph below. which equation represents the cost of jake's cell phone bill, y, based on his data usage in megabytes x?
a. y=0.5x 40
b. y=2x 40
c. y=40x 0.5
d. y=40x 2

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?