Bob spent x amount on food. Bill spent x+20, and John spent 3x-2. If bill and John spent the same amount of money, how much dud bob spend?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955