За^n (а^n + a^n-1) what is it?

How many liters of a 50% acid solution must be mixed with a 10% acid solution to get 280 L of a 40% acid solution

Given the following diagram, find the missing measure. m<1=30, m<2=45, m<3=

In 1983 the composition of pennies in the United States was changed due, in part, to the rising cost of copper. Pennies minted after 1983 weigh 2.50 grams while the earlier copper pennies weigh 3.11 grams. a. A roll of pennies contains 50 pennies.

2.5y+6=4.5y-1 show steps to solve equation

Nathan is trying out to be a kicker on his High School's football team. He notices that for every hour he practices he can kick the ball 2 yards further. On his first try he kicked the ball 42 feet on the second try he kicked the ball 16 yards.

What is the difference between 128.04 and 8.287?

You need to buy edging to put around a flowerbed. If the flowerbed is 13 feet wide, how much do you need? A) 20.4ft B) 39ft c) 40.8ft D) 132.7 ft

What do 10n represent in p (n) = 10n-1200

A container holds 21 spoons and 27 forks. What is the ratio of spoons to the total number of utensils in the container? A. 7 to 9 B. 7 to 16 C. 9 to 7 D. 16 to 9

Sridhar has garden in the shape of square the area of garden is 576 sq m around the outside of the garden he built path of 3 m wide what will be the area of the area of the garden including the path?