How much pure acid should be mixed with 2 gallons of a 40% acid solution in order to to get a 70% acid solution

Prove that the difference of the squares of 2 consecutive numbers is always the sum of the 2 numbers

Maria received 5/7 of the 42 votes cast for class president. how many votes did she receive?

Find the volume of a cylinder of height 6" and base with circumference 16 pi". A. 96 pi cubic units B. 192 pi cubic units C. 384 pi cubic units

A cat receives 0.15 milliliter of medicine for every 2.5 pounds that it weighs. Tabby is a cat that weighs 9.75 pounds. How much medicine, rounded to the nearest hundredth of a milliliter, should Tabby receive?

Abcde is a regular pentagon abfg is a square solve for x

The sum of the digits of a two digit number is 8. if the ten digit is 4 more than the units digit what is the number

How many decimeters is there in 5 yards

Between what two multiples of 100 is 788?

Abbey purchased a house using a fixed rate mortgage. The annual interest rate is 4.2% compounded monthly for 20 years. The mortgage amount is $235,000. What is the monthly payment on the mortgage?

6.24159 rounded to the hundredths place?