Sarah drove 40 miles per hour. in 3 hours, sarah drove 120 miles. which is a valid proportion to the problem? a. 40/1 = 120/3 b. 1/40 = 120/3 c. 40/3 = 120/1 d. 1/40= 120/3

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation