Solve for a.

4 (a + 3) = 12 + 4a

A. no solution

B. - 3

C. all real numbers

D. - 1

Find the area and perimeter

Find the area of a triangle with a base 2.6 m and height of 7 m.

A cyclist rides her bike at a rate of 10 meters per second. What is this rate in kilometers per hour? How many kilometers will the cyclist travel in 3 hours? Do not round your answers.

How many legs were there in the presents over the twelve days in the twelve days of Christmas?

Which is larger 12cm or 98mm

Can you guys give me step by step on how to solve this ... ik the answer. "infinitely many solutions" I need the STEPS 5 + x - 12 = x - 7

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?

Find the difference (2ab+7a+1) - (8ab+9)

Use four 8's to make 8

Terri brought 1.74 meters of rope. Gracie brought 1.64 meters of rope. Who brought more rope