Let x be a number. Translate the expression into an English phrase.x - 4
A. Four decreased by a number
B. Four more than a number
C. Four minus a number
D. Four less than a number
Answer: D
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Solve the problem.Write the next three "triangular" figurate numbers.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Mrs. Boyd has a desk full of quarters and nickels. If she has a total of 21 coins with a total face value of $2.45, how many of the coins are nickels?
A. 7 nickels B. 14 nickels C. 12 nickels D. 16 nickels
Find an equation for the line, in the indicated form, with the given properties. Containing the points (8, -2) and (-5, 7); general form
A. -10x + 12y = -34 B. 9x + 13y = 46 C. -9x + 13y = 46 D. 10x - 12y = -34
Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. 
B. {(6, 4)}
C. 
D. no solution; ?