If a scientist mixed 20% saline solution with 70% saline solution to get 10 gallons of 30% saline solution, how many gallons of 20% and 70% solutions were mixed?

Which of the following is not equivalent to cos pi over 5 1. Cos negative pi over 5 2. Cos 9pi over 5 3. Cos 4 pi over 5 4. Cos 11 pi over 5

The total cost, c, of an item purchased from a store is c = p. 07p, where p is the price before sales tax, and there is a 7% sales tax in effect. an equivalent formula for this situation is a) c = 0.97p b) c = 0.14p. c) c = 1.07p. d) c = 0.93p.

Your mom wins $100 on a scratch off ticket. She wants to split it between you and your sisters. How much will each of you receive if there are c children.

Ratio: what is 35p:£1.40 in its simplest form

A rectangular prismhas a volume of 160 the height of the prism is 5 the length is twice the width what are the dimensions of the base

A milk bottle has radius 7cm and milk is filled upto a height of 28cm. A portion of milk is used to make tea and the height goes down to 20cm. How much milk is left out in the bottle in cu ... cm.

Use substitution to solve y=-2x+1 y=x-5

A snail can crawl 25 of a meter in a minute. How many minutes will it take the snail to crawl 6 meters? Enter your answer in the box. A snail can crawl 2/5 of a meter in a minute.

Aldo paid $13.88 for a 1.98 - pound bag of shrimp at one store. The following week, he paid $38.99 for a 5.46 - pound bag at another store. Find the unit price for each bag. Then state which bag is the better buy based on the unit price.

A compound inequality is graphed, and its graph consists of all real numbers. which open sentence could have resulted in this solution set? r4 r<6 or r<4 r>6 or r<-4