Solve for x using an equivalent exponential expression.The length of a rectangle is 93 in. and the width is 78 in. Find its perimeter.
A. 342 in.
B. 264 in.
C. 7,254 in.
D. 171 in.
Answer: A
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Find the missing values. Round amounts to the nearest dollar and rates to the nearest percent.Maturity value: 
Discount rate: 
Date made: 3/11Due date: 
Time: 90 daysDiscount: $223Proceeds: $9149
A. Maturity value: $9372 Discount rate: 8% Due date: 6/9 B. Maturity value: $9372 Discount rate: 10% Due date: 6/9 C. Maturity value: $9149 Discount rate: 10% Due date: 6/11 D. Maturity value: $9372 Discount rate: 10% Due date: 6/11
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = cos ?
A. (x + y)2 = y B. x2 + y2 = x C. x2 + y2 = y D. (x + y)2 = x
Differentiate.
Determine whether the slope of the line is positive, negative, zero, or undefined.
A. negative B. undefined C. zero D. positive