To go from diameter to radius, what do I need to do?

H(x)=4x2-5x h(-3) what is the answer?

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)