Find the solution to the system of equations by substitution. y - 5x = 36y = 30x + 18
A. (1, 1)
B. (-1.5, -1)
C. infinite number of solutions
D. no solution
Answer: C
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Solve.An object is at rest at t = 0 seconds and then begins accelerating at a constant 8 feet per second per second. The distance the object travels in the first t seconds is given by the polynomial 4t2. Find the distance the object travels in the first 3 seconds.
A. 24 feet B. 36 feet C. 12 feet D. 9 feet
Solve.The resultant force on an object is the sum of all forces acting on the object. Find the resultant force for the object below.
A. -283.5 N B. 2507.5 N C. -2507.5 N D. -839.5 N
Answer the question.Sue has taken four exams so far in her History course. Her scores are 98.0, 78.2, 93, and 87.5. What is the average of these scores?
A. 91.375 B. 89.175 C. 87.775 D. 89.325
Solve.The formula for the perimeter of a rectangle is P = 2L + 2W. If the length, L, is 2 meters and the width, W, is 7 meters find the perimeter, P, of this rectangle.
A. P = 28 m B. P = 9 m C. P = 11 m D. P = 18 m