Calculate.7 ? 42 + 1 ? 7 - 2( 2 + 3)
A. 118
B. 781
C. 109
D. 25
Answer: C
Mathematics
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Find the product.-3x5(11x4 + 8x3)
A. -57x9 - 57x8 B. -33x9 - 24x8 C. -33x9 + 8x3 D. -57x5
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If nylon is $11per square yard, how much would the fabric cost to make a triangular sail with a base of 15feet and a height of 24feet? ?
A. $220 B. $990 C. $440 D. $3,960 E. $1,980
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Find the derivative.y = ex ln x, x > 0
A. 
B. 
C. ex ln x
D. 
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Solve.A punch recipe calls for mixing 4 parts of orange juice with 5 parts of strawberry juice. Find how much orange juice should be mixed with 80 ounces of strawberry juice.
A. 16 oz B. 64 oz C. 100 oz D. 20 oz
Mathematics