Solve the system of equations by using elimination by addition.
A. (2.5, 1)
B. (.25, 1)
C. (3.1, 1)
D. (2.5, .1)
Answer: A
Mathematics
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Write as a percent.0.416
A. 0.416% B. 416% C. 41.6% D. 0.0416%
Mathematics
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x2 + 20x + 21
A. prime B. (x + 21)(x - 1) C. (x + 21)(x + 1) D. (x + 7)(x + 3)
Mathematics
Solve the problem.A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the number of units of each ingredient in each type of candy in one batch. Matrix B gives the cost of each ingredient (dollars per unit) from suppliers X and Y. What is the cost of 100 batches from supplier X?
A. $6600 B. $3300 C. $4800 D. $7800
Mathematics
Find the median of the given data set.23, 28, 38, 48, 61, 73, 80
A. 38 B. 48 C. 50 D. 61
Mathematics