A student received a coupon for 18​% off the total purchase price at a clothing store. Let c be the original price of the purchase. Use the expression below for the new price of the purchase. Write an equivalent expression by combining like terms. c - 0.18c

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

Which graph corresponds to the function f(x) = x2 + 4x – 1?