When is substitution a useful method for solving systems of equations?

What is 19/36 simplified?

What is the factorization of 12164 - 49?

What is the height of a parallelogram with a base length of 16 m and an area of 136 m2? enter your answer in the box.

What numbers add up to - 5 and multiply to get - 90

A mining crew started out at 84 ft underground. They took an elevator another 123ft down and then rose mine carts 55 ft back up. How far underground are the miners?

Which equations are aquivan to 3/4 + - 7/4 check all that apply

Battery was charged. when the charging began it was 23% full after 30 minutes of charging the battery was 89% full. how fast was the battery charged? How long did it take the battery to be funny charged?

93*10 of 6th power whole number

1) What is 61% of 7.2?

Equation for 52 is what percent of 260