Find an expression for dy/dx.y = u-7/4 and u = x2 - 9x - 7
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve.Mario's front patio is in the shape of a trapezoid with a height of 58 feet. The longer base is 8 feet longer than the shorter base, and the area of the patio is 5800 square feet. Find the length of each base of the trapezoidal patio.
A. 46 ft; 54 ft B. 96 ft; 104 ft C. 192 ft; 208 ft D. 96 ft; 96 ft
Mathematics
Use the properties of equality to solve the equation.-7x = 2
A. - 
B. 
C. - 
D. 
Mathematics
Perform division and write the answer without using negative exponents.
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?
A. 
B. 
C. 
D. 
Mathematics
Evaluate.
A. 
B. 
C. - 
D. 0
Mathematics