Celia writes the addition problems shown. She says she can tell which sum will be greater without adding. How does Celia know?

Sally has 15 marbles in a bag. 6 are blue, 3 are red, 4 are yellow and 2 are black. What is the probability that Sally draws a blue marble?

What shape has only 1 pair of parallel line

For a circle with a radius of 6 feet, find the arc length of a central angle of 6 degrees. A. 36nft B. 3/5 pi ft C. 2/5 pi ft D. 1/5 pi ft

ome friends are going on a coaster ride at an amusement park. They board their car on a platform that is 10 and one half feet above the ground. The car starts by going up 80 and one half feet.

Which line is parallel to 5x=y-12

Daryl hit a home run 8 out of 32 times. if he is at bat 224 times how many home runs will he hit

The sales tax for an item was $12.90 and it cost $430 before tax. Find the sales tax rate. Write your answer as a percentage.

Choose the list that shows these numbers in order from smallest to largest. 0.29, 0.51, 0.07, 0.061

Write an expression to match the words three times the sum of 8 + 4

The graph for the systems of linear equations is, y=1/2x + 2 and y = x - 1 What is the solution?