Can someone check my answer?

write b^2. b^3 without exponents

b^2. b^3 = b. b. b. b. b

Barbara has a rectangle shaped mouse pad. The longest side is 8 inches and the shortest side is 3 inches. What is the perimeter and area of the mouse pad

Simplify (5a ^3b ^5) ^4

Find the simple interest earned in a savings account that pays 5% interest if $500 is deposited for 4 days

If you took a true "if then" statement and instead a not in each clause the new statement would also be true

C) HCF of 900 and 243?

Which of these is a two-step equation? A. X+9 = 21 B. x = 11 + 2 C. 2x+9 = 21 D. x/3=9

What is the solution to y=2/5x-3 and x=-10

What percent of 99 is 90?

Which statements best describe the dot plot or box plot? Check all that apply. Add the number of dots above each age in the dot plot to find the number of players on the team: 2+1+3+2 + 3 + 2 =

After increase by 30 % it becomes $520?