A triangular roof is built so that its height is half its base. If the base of the roof is 32 feet long, what is the area of the roof? PLESE HELPPP IAM IN CLASSS HELPPP

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?