Which of the following formulas could be used to determine the surface area of a cylinder sandwiched between one
cone and half of a sphere?
SA = 21w + 21h + 2wh
SA= 2B + Ph
SA = 212 + 12
SA = 277 th + 272
SA=TA + 2

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?