Use rounding to estimate the sum or difference. Then match the

problem with the correct estimate.

1. 7.3 + 4.96 A. 13

2. 18.7 - 5.9 B. 12

3. 12.10 + 3.81 C. 11

4 11.91 - 1.38 D. 16

(example

just but 1:A)

Glenn needs to cut pieces of ribbon that are each 1 meter long to make ribbon key chains. If he has 7 pieces of ribbon that are each 1 dekameter long, how many 1-meter pieces of ribbon can he cut? Glenn needs pieces.

What is the asnwer worked out to m-9=-13

How many solutions does the absolute value equation below have? |x - 5| = 4 A. three B. two C. one D. no solution

They had $625 in her checking account. She writes two checks for $23 each and then makes one deposit of $146. What is Thuys final checking account?

the length of the highway is 1500 miles. If 1 inch represents 150 miles, what is the length of the highway on the map?

N two days, 48,000 gallons of oil gushed out of a well. At what rate did the oil flow from the well?

Which of the following is the equation of a circle with a radius of 5 cm and center at (3, 6) ? (x 3) 2 + (y + 6) 2 = 10 (x 3) 2 + (y + 6) 2 = 25 (x + 3) 2 + (y 6) 2 = 25 (x + 3) 2 + (y 6) 2 = 10

A sociologist studying the difference in ages between husbands and wives obtained a random sample of 55 married couples. The mean of the husbands' ages was 38.5 years with standard deviation 12.6 years. The mean of the wives' ages was 36.

The parent function is f (x) = 2^x-6+3 and the new function is g (x) = 2^x - 3+2. How does the graph change from f (x) to g (x) ? Select each correct answer. The graph is shifted 3 units right. The graph is shifted 1 unit up.

Dennis thought of a number. He adds 0.5 to that number and then multiplies the new result by 4. He then subtracts 2 and divides the number by 2. His final answer is 48. What number did Dennis start with?