Simplify to form an equivalent expression by combining like terms. 7x - 5 + 5x + 20
A. 27
B. 12x2 + 15
C. 27x
D. 12x + 15
Answer: D
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Choose the most reasonable measurement for the situation described.Lee measured the width of his new calculator. What is the most likely measurement?
A. 89 cm B. 89 km C. 89 mm D. 89 m
Provide an appropriate response.Based on a 360 day year, a 3% cash discount for 20 days is equal to an annual rate of:
A. 45% B. 54% C. 36% D. 18%
Parallel beams of similarly charged particles are shot from two atomic accelerators L = 34 meters apart, as shown in the figure below. If the particles were not deflected, the beams would be 
meters apart. However, because the charged particles repel each other, the beams follow the hyperbolic path 
/>, for some k. Find k.
?
?
Please enter your answer in scientific notation.
What will be an ideal response?
Change the percent to a decimal.452%
A. 4.53 B. 0.452 C. 4.52 D. 45.2