What is the decimal value of the binary number "101"?

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

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

I’m stuck on this equation, anyone got the answer?