One-eighth of a number is -4,200. what is the number? -33,600 -37,800 -42,000 -42,800

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?