19.

To calculate her target heart rate. Shayla subtracts her age, a. From 220 and then

takes 70% of the difference. Which equation should Shayla use to calculate r, her

target heart rate?

Are the fractions 3/9,3/10,3/11, and3/12 arranged in order from least to greatest or from greatest to least?

Laheather sells furniture Linda bought a dresser for retail price of $299.00 Laheather

Jordan has $40 to spend at the yard sale. He buys 6 books for $2 each. He would like to spend the rest of his money on model cars for his collection. If the cars cost $7 each, how many can he buy? Explain

2x + y=25 4x + 3y = 9

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.

Use compatible numbers to find two estimates 33 divided by 2242

What is 7,058 divided by 9

78 students are going to be divided into 24 groups and the number of each group member will be either 4 or 2. How many groups of 2 will there be? Let x be the number of groups of 2 and let y be the number of groups of 4

Find the value of a - 8 when a = 18

write the number 700000 + 400000 + 10000