A 5-foot stick casts a shadow of 4 feet at the same time Elin casts a shadow of 4 feet 6 inches. How tall is Elin?
a. 5 ft
b. 6 ft
C. 5 ft 7.5 inches
d. 5 ft 6 inches

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Deepak plotted these points on the number line. point a: –0.3 point b: – 3 4 point c: – 11 4 point d: –0.7 which point did he plot incorrectly?