Solve the problem.On a test, Manuel answered incorrectly 81 questions or 45% of the questions. How many questions were on the test?
A. 0.56
B. 56
C. 180
D. 1800
Answer: C
You might also like to view...
Solve the system of equations graphically using a graphing calculator. Find all values to the nearest tenth.x = -3yx2 + y2 = 9
A. x = -2.8, y = 0.9; x = 2.8, y = -0.9 B. x = -3.2, y = 1.1; x = 3.2, y = -1.1 C. x = -2.8, y = 0.9 D. No solution
Find the lateral surface area and volume of the solid object shown. If necessary, round to the nearest whole number unless otherwise directed.
A. L = 69 cm2, V = 53 cm3 B. L = 71 cm2, V = 61 cm3 C. L = 67 cm2, V = 55 cm3 D. L = 56 cm2, V = 45 cm3
Write the phrase as a mathematical expression. Use x as the variable.Some number increased by 146
A. 146x B. 146 C. x + 146 D. x - 146
Find the value(s) of the variable for which the rational expression is undefined.
A. 
B. - 
C. - 
D. 