Ascientist has two solutions, which she has labeled solution a and solution b. each contains salt. she knows that solution a is 55% salt and solution b is 80% salt. she wants to obtain 180 ounces of a mixture that is 75% salt. how many ounces of each solution should she use?

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

Which expression is equivalent to 3^3 + 2^2?

Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5