*will give medal! * which is the direct linear variation equation for the relationship? y varies directly with x and y = 10 when x = 2. a. y = x – 8 b. y = x + 8 c. y = 5x d. y = 2x + 6

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *