Write the following as an equation, using x for the unknown number. Then solve.Four times a number added to 9 times the number equals 52. Find the number.
A. 4(x + 9) = 52x; 0.8
B. 4x - 9x = 52; -5.8
C. 4x + 9x = 52; 4
D. 4x(9 + x) = 52; 5.8
Answer: C
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Match the graph of the parabola with the appropriate equation.
A. y = (x - 1)2 - 2 B. y = (x + 1)2 + 2 C. x = (y - 1)2 - 2 D. x = (y + 1)2 - 2
Solve.A 48-ounce can of pears costs $4.80. A 16-ounce can of the same brand of pears costs $1.92. How much does a consumer save in total by buying 1 large can instead of 3 small cans?
A. $0.91 B. $0.96 C. $1.06 D. $0.97
Solve the problem.A force of 90 lb acts on an object at an angle of 55°. A second force of 100 lb acts on the object at an angle of -60°. Find the direction and magnitude of the resultant force.
A. 
? 1.43 lb, ? = -2°
B. 
? 102.43 lb, ? ? -7.2°
C. 
= 98.92 lb, ? = -4.2°
D. 
= 101.47 lb, ? ? 7.2°
Provide an appropriate response.True or false? The principal fifth root of -1024 is 4.
A. True B. False