2) If the perimeter of the following triangle is 27 cm:

3x + 3

2x + 5

x+7

70% percent of what number is 17.5?

Round each number to the nearest whole number. What is the best estimate for the sum of 225.45 + 90.32? a. 310 b. 315 c. 316 d. 320

Alex had Y toy cars. He gave 11 of them to his friend. Later his dad bought him twice as many toy cars as he had in the beginning. How many toy cars did Alex have in the beginning of this story if now he has 55 of them?

A triangular prism has base edges 4cm, 5cm, and 6cm long. Its lateral area is 300 cm2. What's the height if the prism?

4% as a reduced fraction

A company estimates its total profit (profit = total revenue minus total cost) as P (x) = 2x5 - 3x4 - 5x2 - 2, where P is in thousands of dollars and x is the number of years elapsed since the company was founded.

On a number line, the surface of a river is marked at - 225 feet and the top of a building is marked at + 18 feet, where 0 represents sea level.

The length of a rectangle is 3 inches more than its width, and its perimeter is 22 inches. Find the width of the rectangle. 4 in. 5 in. 7 in.

In 2017, the world's population was 7.451 billion people. Tge world growth rate is 1.13% annually, (a) what the projected world's population in 2035? (b) how long will it take for world's population to double?

What multiplies to 105 and adds to 16