The sum of marshall and williams ages is 27 . William is 7 years older than marshall . What is marshall age

What is the slope of the line shown below?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?