My sister is 14 years old. my brother says that his age minus twelve is equal to my sister's age. how old is my brother?

Kevin and randy muise have a jar containing 63 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $ 8.35. how many of each type of coin do they have?

A rectangle that has an area of 375 sq. in. is 17 in. wide. how long is the rectangle

What two numbers add up to 15 and the difference is 7?

What is the easiest way to add negative fractions?

Two kids are liars, three can only say the truth. julia: " jack is only a liar, if john is telling the truth." jack: "if joey doesn't lie, then either julia or john do." joey: " jane lies, as does julia or jack.

Three angles of a hexagon are congruent. The other three angles are also congruent, each with a measure twice that of the first three. What is the measure of each angle?

Factor 6x^2+x-2 / 3x^2+14x+8

Equivalent expi Which expressions are equivalent to 4 (4a + 5) ? Choose 3 answers:

Sam bought brushes for $8, a palette for $5, and oil paints for $15. He paid $29.82 in all. What sale-tax rate did Sam pay?

3y-4x=20 a linear function