What is 6.4 × 10−8 mi/day in feet per hour? (1 mi = 5280 ft)
a. 8.11 × 10−3 ft/h
b. 1.408 × 10−5 ft/h
c. 2.909 × 10−10 ft/h
d. 5.05 × 10−13 ft/h

The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?