Wh8ch equation represents a linear function: a, y=2x^+1 b, y^=3x+1 c, y=5x-1 d y=4x^^-1

In δabc, if the length of side b is 3 centimeters and the measures of ∠b and ∠c are 45° and 60°, respectively, what is the length of side c to two decimal places?

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.

What is r i 4.5+10r=-6.5 with work pls