What is the best answer for r^2-9

Cornelia cut equal lengths of ribbon each 7/10 ft long. The ribbon was 3 1/2 ft long. How many pieces did Cornelia cut?

The area of a trapezoid is 39 square millimeters. The height of the trapezoid is 8 millimeters. One of the base lengths of the trapezoid is 5 millimeters. What is the length of the other base of the trapezoid?

Which of the following is a counterexample that proves the conditional statement false? If a number is divisible by five, then it is divisible by ten. 20 25 30 100

Why is the surface area of a three-dimensional figure measured in square units rather than in cubic units

B oranges cost 60c. How much will 7 oranges cost

Factor n^3 - n^2 + 3n - 3. A) (n^2 - 3) (n - 1) B) (n^2 + 3) (n - 1) C) (n^2 + 1) (n - 3)

If a measured distance of 10 inches on your map represents an actual distance of 20 miles, what is the fractional scale of the map

To (blank) means to cut into two congruent parts

The purchase price of a camcorder is $656. What is the total price if the sales tax rate is 7.5%?

Savannah ga reciveives 48 inches of rain per year, on average. wich equation describes the relationship between t, the number of years and r, the rotal rainfall