Felix built a ramp based on the scale drawing below. If the height of Felix's ramp is 6 inches from the ground, how long is the part of the ramp that is on the ground? 1 in. 12 in. 72 in. 17 in. 60 in. 24 in.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.