At 2: 30 p. m., cayson leaves his house and drives north to the stadium. he arrives at 5: 00 p. m. also leaving at 2: 30 p. m., his brother riley leaves his house and drives south to a lake. he arrives at 5: 30 p. m. the driving distance from the stadium to the lake is 385 mi. cayson and riley drove at the same speed. what was their speed?

It takes Cayson 2.5 hours to get from house to the stadium and it takes Riley 3 hours to get from house to the lake. In total they spent 5.5 hours to overcome the distance 385 mi.

Use formula:

where D is distance, r - speed and t - time.

Thus,

mi/h.

70 mi/h.

answer: b.48 for

step-by-step explanation:

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.