Angle 9 and angle 10 are complementary and angle 7 is equal to angle 9, m< 8 is equal to 41

How do you find principle and simple interest

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?