Find the sum without the use of a number line.-7 + 4
A. 11
B. 3
C. -11
D. -3
Answer: D
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Perform the indicated operation and simplify.
+ 
A. 
B. 1
C. 
D. 
Solve the system by graphing. If there isn't a unique solution to the system, state the reason.x + 6y = 69x - 5y = -5
A. (1, 1) B. (0, 0) C. (0, 1) D. (1, 0)
Provide an appropriate response.Which of the following would be an option to consider when purchasing an annuity?
A. how the money is invested B. the level of risk of the investment C. whether to invest with pre-tax or taxed money D. all of these are important considerations when purchasing an annuity
Solve the problem.A ball is dropped from a cliff that is 480 feet high. The distance S (in feet) that it falls in t seconds is given by the formula S = 16t2. How many seconds (to tenths) will it take for the ball to hit the ground?
A. 14,400 sec B. 21.5 sec C. 21.9 sec D. 5.5 sec