Mary runs m miles a day. timothy runs twice as many as mary. altogether, they run 18 miles each day. how many miles does mary run each day?

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read