Clara drove 248 miles in 4 hours. what was her average rate of speed

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

Select the number of ways in which a line and a circle can intersect

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)