A candy dealer sells $0.05 and $0.10 candy bars. One day she sells 130 bars for $9.00.
How many bars did she sell?

What is the percent of increase for a population that changed from 438,000 to 561,000

With #! i’ve tried to figure it out but i can’t.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12