Ms. Allen asked each of her 30 students to select their favorite type of music. How many students chose Rock 1/3 chose hip hop 1/5 chose rap all the rest choosed rock A-10 B-14 C-6 D-4

If you could answer these your a life saver

What is the value of x in the equation 15(x + 4) - 3 = 4.5(x - 2)?

1) if x^2=40, what is the value of x? a) +- 80 b) +- 20 c) +- square root of 80 d) +- square root of 40 2) solve x^2= -169 a) undefined b) 13 c) +- 13 d) -13 3) a square rug covers 79 square feet of floor. what is the approximate length of one side of the rug? (approximate to the nearest hundredth foot) a) 8.86 feet b) 8.87 feet c) 8.88 feet d) 8.89 feet