Find all values of x satisfying the given conditions.y1 = 
, y2 = 
, and y1 + y2 = 
A. 
B. 
C. 
D. 
Answer: A
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To travel 68 miles, it takes Sue, riding a moped, 4 hours less time than it takes Doreen to travel 80 miles riding a bicycle. Sue travels 7 miles per hour faster than Doreen. Find the times and rates of both girls.
A. Sue: 17 mph for 4 hours, Doreen: 10 mph for 8 hours B. Sue: 10 mph for 4 hours, Doreen: 17 mph for 8 hours C. Sue: 21 mph for 8 hours, Doreen: 14 mph for 12 hours D. Sue: 4 mph for 17 hours, Doreen: 10 mph for 8 hours E. Sue: 27 mph for 4 hours, Doreen: 20 mph for 8 hours
Solve the equation.x2 - 81 = 80x
A. x = -9, 9 B. x = 1, -81 C. x = -1, 81 D. x = -9, -9
Determine the place value of the digit 3 in the whole number.34,770,091
A. ten millions B. millions C. tens D. ten thousands
Find fraction notation for the ratio. You need not simplify.4.9 to 3.5
A. 
B. 
C. 
D. 