Write the phrase as a variable expression. Use x to represent "a number."The sum of a number and 79
A. x + 79
B. 79
C. x - 79
D. 79x
Answer: A
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Which of the following can be used to find the experimental probability when spinning a spinner? ?
A. ?Many repetitions of spinning. B. ?Collecting data on spin results. C. ?Finding the percent of times that arrow lands on specific colors. D. ?Using a computer random number generator to simulate spins. E. ?All of the above.
Solve the problem.Since 2001, electronic payments made to an online company have increased exponentially.
Let f(t) be the number of electronic payments in the year that is t years since 2006. A possible equation of f is 
Predict the number of electronic payments that will be made in 2020.
A. 467 thousand B. 1269 thousand C. 3449 thousand D. 23 thousand
Find the zero of the linear function.f(x) = 20 - x
A. 0
B. 20
C. 
D. -20
Evaluate the absolute value.|-71|
A. 1 B. 0 C. 71 D. -71