Which number in each group is not a prime number?31,41, 51?

2x (3+x) - 6x what is the answer with work shown?

2 3/5 + 1 4/5 = what is the answer in simplest from?

Amy finished her history assignment in 144 hours. Then she completed her math assignment in 1/3 hours. What was the total amount of time Amy spent doing these two assignments?

In the figure, ok=50, kq=45, pq = 38. What is Rq

What is the value of y when line m is parallel to line n

Definition of classic probability

Six friends share 3 pizzas one friend leaves how much more will the other 5 friends get

Nancy is baking a cake. The recipe calls for seven cups of flour and three cups of sugar. She already put in 1/2 a cup of flour. How many more cups of flour does she need to add? Write your answer in decimal form.

george is driving at an average speed of 62 miles per hour. write an expression that would give his distance traveled for h hours. Make a table that records his distance for 3, 5.5., and 8.5 hours

There were 145 children that went to the park today and 60% of the children were boys. How many of the children were girls at the park? A. 58 B. 85 C. 87 D. 232