Solve the equation. Express radicals in simplest form.y2 = 21
A. 
B. ±
C. 441
D. 10.5
Answer: B
Mathematics
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Find the mean of the list of data.44, 62, 48, 30, 87, 57, 99, 101
A. 65 B. 69 C. 67 D. 66 E. 68
Mathematics
Evaluate the numerical value of the formula with the given replacement values.P = 2 ? (L + W)
L = 3, W = 5
A. P = 8 B. P = 30 C. L = 16 D. P = 16
Mathematics
Change the decimals to their fraction or mixed-number equivalents, and reduce answers to lowest terms.0.5
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.
The angle of depression from a hot air balloon to the spot for landing is 51°. The altimeter reads a height of 1,200 feet. What is the distance along the path of descent that the balloonist needs to travel to land exactly on the middle of the X? 
A. 1,544 ft B. 1,482 ft C. 972 ft D. 1,907 ft
Mathematics