How much pure acid is needed to mix with 18L of 30% acid to increase the concentration of 50% acid

Alexis invests $475 in a bank account that earns 1.25% interest compounded annually. Which function models the growth of her investment over x years?

Find the measure of angle 1 measure of angle 1=x measure of angle 2=x-6

Similarities between inferential and descriptive statistics

A girl and a puppy are 850 feet apart when they start running towards each other. The girl runs at a speed of 8 feet per second, and the puppy runs at a speed of 7 feet per second. How soon will they meet?

John swam 40 minutes what fraction of one hour is this

A pool with 8,000 liters of water holds how many killoliters of water?

Which method would be the simplest way to solve the system?. y=1/2x. 2x+3y=28. A. Graphing. B. Substitution. C. Elimination. D. Distributive

Convert 77 degrees in Fahrenheit to Celsius temperature using the formula F = 9/5C + 32 72°C 61°C 35°C 25°C

What is the measure of arc Q R?

Javier bought a 20-ounce smoothie that contains 450 total calories how many calories does the smoothie contain per ounce