Evaluate the expression 3.14 (a2 + ab) when a = 4 and b = 2. (Input decimals only, such as 12.71, as the answer.)

Each month fir 7 months, samuel mow 3 lawns. How many more lawns does he need to mow before he has mowed 29 lawns?

Samantha recently hired a contractor to do some necessary work. On the final bill, Samantha was charged a total of $1187. $450 was listed for parts and the rest for labor.

The radius of a circle is 12 inches. What is the angle measure of an arc bounding a sector with area 18pie square inches? K=18pie sq. in r=12 in Give the exact answer in simplest form.

Kx - 3y = 4 4x - 5y = 7 In the system of equations above, k is a constant and y are variables. For what value of k will che sistem of equations have no solution?

Which of the following transformations does not produce congruent figures? A. Reflection B. Translation C. Rotation D. Dilation

If 6 cans of soup cost $1.50, how much will 9 cans cost?

The vet says that we nice puppy will grow to be at least 27 inches tall. Lena's puppy is currently 1 foot tall. How many more inches will the puppy grow? The puppy will grow a.) at least 2.) at most? Inches

Your brother traveled 117 mile in 2.25 hours to come home for school break. what is the average of speed that he was traveling?

A company's sales decreased by 8% this year, to $9015. What were their sales last year? (Round your answer to the nearest penny.) My answer was 9,736.2, but the correct answer was 9798.91. Could someone explain how did they get to 9798.91?

Cindy exercise for 30 minutes 2 times a day. if she keeps up this schedule for 30 days, how many minutes will she exercise in all