sharon rives 30 mi at 60 mi/h and 60 mi at 30 m/h. what is sharons average speed, in miles per hour, for the whole trip?

If x - 3y = - 9 and 5x - 2y = 7, what is the value of x?

Simplify the expression: (3 / (4x^2+4x+1)) + ((x+1) / (4x^2-1))

How much of a $2,376.80 monthly net income is allotted for food if 23% is budgeted?

What is 8 (p+7) simplified form

Eduardo rides his bicycle for 6 hours. What was Eduardo's average speed if he rides a distance of 84 miles? 504 mi per hr 90 mi per hr 78 mi per hr 14 mi per hr

Steve is turning half of his backyard into a chicken pen. his backyard is a 24meter by 45 meter rectangle. he wants to put a chicken wire fence that stretches diagonally from one corner to the oposite corner.

Find the ratio of the geometric sequence:.25,.75, 2.25, 6.75

14,700 cm3 of wax how many candles did they make

Which table represents the unit rate 200 calories/serving

If a sport shop so 1,500 dozen golf balls last week how many individual golf balls to the shop sale