Hurry ! which of the following expressions is equivalent to (-)? -7 · 3 3 -7 (-7) 3 3 · -7

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.