Lisa drove 80 miles, then increased her speed by 20 miles per hour for 180 miles. If the second part of the drive took 1 hour longer than the first part, find her average speed.

which  best  describes the transformation from the graph of  f(x) =  x2  to the graph of  f(x) = (x  – 3)2  – 1?   left 3 units, down 1 unitleft 3 units, up 1 unitright 3 units, down 1 unit  right 3 units, up 1 unit

Evaluate the expression. (9 + 5)(3 + 2)0

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?