Whats the LCM of 63 and 84

Solve for x, given the equation Square root of x minus 5 + 7 = 11.

Milo wants to make a mixture that is 50% lemon juice and 50% lime juice. How much 100% lemon juice should he add to a juice mixture that is 20% lemon juice and 80% lime juice to make 4 gallons of the 50% lemon/50% lime juice mixture

Jasmine is 5 year younger than he sister age if jasmine sister is 22 years old then how old is jasmine

What is the product of 3x (x2 + 4) ? A=x2 + 3x + 4 B=3x3 + 4 C=3x3 + 12x D=3x2 + 12x

10x-35+3ax=5ax-7a solve for "a" for which the equation is an identity.

Write an expression that is equivalent to 4 (b+2) - 3b

when vanessa charges her 3ds fully it lasts for 2 hours. if she only charged it 2/8 full how long would it last?

Use the Distributive Property to solve the equation. 3=3/4 (b-8) Im so confused

How many significant figures will there be in the answer to the following problem? 223.4 • 7.5

A racecar can travel 2 laps in 4 minutes. At this rate, how long will it take the racecar to complete 75 laps (in minutes) ?