Megan has 23 marbles, and Jack has 22. About how many marbles do they have altogether.

a. about 30 marbles

b. about 70 marbles

c. about 40 marbles

d. about 60 marbles

A mountain climber ascended 3/4 of a kilometer in 1/12 of an hour. What was the mountain climber's ascent rate in kilometers per hour? A) 3 kilometers per hour B) 4 kilometers per hour C) 9 kilometers per hour D) 12 kilometers per hour

30. 60 ft/s = to how many km/h

What is the solution to the equation 3.6m - 2.7 = - 1.8m? m = 0.25 m = 0.5 m = 1.25 m = 1.5?

General solution to differential equation dy/dx=100x+xy

4a^2+8a-20=0 By completing the square

How to convert 21/25 into 84% Convert 17/20 into 85% What number over 30 equals 80%

Find the mean of this set of numbers. 9, - 6, - 8, 11, - 4, 10 A. 12 B. 2 C. 8 D. 48

Krystal made 8 quarts of soup on Monday, 5 quarts of soup on Tuesday, and 5 quarts of soup on Wednesday. if she serves each guest 1 cup of soup, how many quest can she serve in all.

One and five twelves minus five sixtes

How much total wrapping paper does it take to wrap two gifts: one with the dimensions of 6 cm by 10 cm by 9.5 cm and the other with dimensions 14 cm by 17.25 cm by 15 cm.