Hel Which of the following are square roots of the number below? Check all that
apply.

49

A. 7
B. 28
C. 8
D. -491/2
E. -7
F. 491/2

Solve 2x+y=3 x+y=5 in substitution method

Find the area of the regular hexagon if a side is 20 cm.

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.