The sum of the digits of a large number is 81. Using the divisibility rules, by which number or numbers is that large number divisible?

A. Only 3

B. 3 and 6

C. 3 and 9

D. 3, 6, and 9

Lulpita wants to construct a triangle. she starts with these sides: 5cm and 20cm. what would be the length of the third side of her triangle?

Find the derivative of f at x. that is, find f ' (x). f (x) = 7x + 8; x = 5 a. 40 b. 8 c. 35 d. 7

Wyatt hiked 6 miles in 2 hours at the same rate what is the total number of miles Wyatt could hike in 9 hours

Find the volume of a cylinder 20cm 11cm

Payton cut out two shapes, as shown, that she will later put together to resemble a house. What is the total area of the two shapes?

The ramp below has a height of 26 feet and a slant length of 30 feet. What is the width of the ramp in feet

A rectunglar pool is 7ft wide. it is 3 time as long as it is wide

The variables x and y are inversely proportional, and y=2 when x=3. What is the value of y when x=9?

Sandy has 16 roses, 8 daisies and 32 tulips. She wants to arrange all the flowers in bouquets. Each bouquet has the same number of flowers and has only one type of flower. What is the greatest number of flowers that could be in each bouquet?

If x is to be chosen at random from the set {1,2,3,4} and y is to be chosen at random from the set {5,6,7}, what is the probability that xy will be even?