Evaluate or simplify the expression without using a calculator.ln e
A. -1
B. 1
C. 0
D. e
Answer: B
Mathematics
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A flowchart, such as the one in the figure below, shows a sequence of steps to be performed by a computer to solve a given problem. When designing a flowchart, the programmer uses a set of standardized symbols to represent various operations to be performed by the computer. Match the following blocks with the corresponding figure.
?
A. rectangle B. parallelogram C. rhombus
Mathematics
Translate to a proportion and solve. What percent of 168 is 42?
A. 4% B. 26% C. 5% D. 25%
Mathematics
Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.x = 
for r
A. r = 
B. r = x + y
C. r = 
D. r = 
Mathematics
Find all real-number square roots of the given number.4
A. ±2 B. -2 C. 2 D. ±1
Mathematics