Simplify the expression: 5a + 3a + 1.

A. 8a + 1

B. 9a

C. 8 a squared + 1

D. 9a + 1

Troy is making a flag shaped like a square. Each side measure 12 inches. He wants to add ribbon along the edges. He has 36 inches of ribbon. Does he have enough ribbon? Explain.

A body travels 10 meters during the first 5 seconds of its travel, and it travels a total of 30 meters over the first 10 seconds of its travel. What is its average speed during the time from t = 5 seconds to t = 10 seconds?

Mental Arithmetic: work the following exercises in your head. Do not calculate with a pencil or paper. Do not use a decimal. Think of the number seven. Now add eight to it. Now add four more. Now subtract nine. Now add three.

Sum of ten and the quotient of a number x and 6

A fruit drink is made from orange juice and cranberry juice in the ration 5:3. If 1 litre of the drink is made, how much of the drink is cranberry juice?

candace tells you that she bought new boots using a 20% coupon and saved $28. What was the original price of the boots? use a tape diagram.

Write (x+6) (x-2) in standard form

Aaron wants to buy 2 concert tickets that cost $25.50 each. Aaron's grandfather pays him $4.25 an hour to rake leaves. How many hours does Aaron have to rake leaves to earn the total cost of the tickets?

Writes the pair of fractions with a common denominator for 3/10 and 2/5

The volume of this cylinder is 6,430.72 cubic centimeters, the height is 8 cubic centimeters. What is the radius? Use ≈ 3.14 and round your answer to the nearest hundredth.