Solve the problem.A plane flies 430 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 30 mph, what is the speed of the plane in still air?
A. 190 mph
B. 185 mph
C. 175 mph
D. 210 mph
Answer: B
Mathematics
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Identify the property illustrated by the statement.(7 ? 5) ? 2 = 7 ? (5 ? 2)
A. Associative B. Commutative C. Distributive D. Identity E. Inverse
Mathematics
Add.
A. 842 B. 942 C. 932 D. 9420
Mathematics
Find the indicated term.
, 
, 
, . . . ; the 8th term
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Mrs. Ito has $2038 in her checking account. How much is in the account after she writes a check for $710?
A. $2748 B. $2758 C. $1328 D. $1228
Mathematics