Solve. Clear fractions first.
r + 2 = 
r + 
A. 4
B. 3
C. -4
D. -12
Answer: C
Mathematics
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Convert the units using unit fractions.6 wk = 
days
A. 144 B. 84 C. 360 D. 42
Mathematics
Express the number in scientific notation.870,000
A. 8.7 × 105 B. 8.7 × 104 C. 8.7 × 10-4 D. 8.7 × 10-5
Mathematics
Classify the triangle as equilateral, isosceles, or scalene. Then classify it as right, obtuse, or acute.
A. Scalene; acute B. Isosceles; obtuse C. Equilateral; acute D. Equilateral; obtuse
Mathematics
The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?
What will be an ideal response?
Mathematics