Write the algebraic expression without parentheses.
(4x) + [(3x) + (-3x)]
A. x
B. 7x
C. 1
D. -5x
Answer: A
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Find the x-intercepts.y = x2 + 7x
A. (0, 0) and (7, 0) B. (-7, 0) C. (0, 0) and (0, -7) D. (0, 0) and (-7, 0)
Solve the problem.An isosceles triangle contains two angles of the same measure. If the measure of the third angle is 51° less than the measure of either of the other two angles, find the measure of one of the identical angles by solving the equation 2x + (x - 51) = 180, where x represents the measure of one of the identical angles.
A. 57° B. 26° C. 115.5° D. 77°
Evaluate the combination.C(9, 3)
A. 84 B. 252 C. 1440 D. 60,480
Provide an appropriate response.Decide if the system has one solution, no solution, or an infinite number of solutions. 6x - y = 16 x + 3y = 9
A. One Solution B. Infinite number of solutions C. No Solution