Decide if the given number is a solution to the given equation.7r2 + 5 = 309.92; 6.6
A. Yes
B. No
Answer: A
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Use two equations in two variables to find the following integers.Twice one integer plus another integer is 13. The first integer plus 3 times the second is 19.
A. 6, 3 B. 4, 5 C. 3, 5 D. 3, 6 E. 6, 6
Translate to a system of two equations, then solve.During a specific year, the percentage of high school sophomores that spent 13 hours or more each week preparing for class was 13% more than those that spent less than 13 hours preparing for class. If the percentage of both groups totals 100%, what percentage of high school sophomores spent 13 hours or more each week preparing for class?
A. 42.5% spent 13 hr or more, 57.5% spent less than 13 hr B. 57.5% spent 13 hr or more, 42.5% spent less than 13 hr C. 43.5% spent 13 hr or more, 56.5% spent less than 13 hr D. 56.5% spent 13 hr or more, 43.5% spent less than 13 hr
How many outfits consisting of a suit and a tie can a man select if he has three suits and eight ties?
Fill in the blank(s) with the appropriate word(s).
Find the exact value of the indicated trigonometric function of ?.cot ? = - 
, cos ? < 0Find csc ?.
A. - 
B. - 
C. 
D. 