Solve the problem.DG's Plumbing and Heating charges $50 plus $70 per hour for emergency service. Bill remembers being billed just over $250 for an emergency call. How long to the nearest hour was the plumber at Bill's house?
A. 4 hours
B. 15 hours
C. 13 hours
D. 3 hours
Answer: D
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The problem tells how many units and in what direction the graph of the given equation is to be shifted. Give an equation for the shifted graph. Then sketch the original graph with a dashed line and the shifted graph with a solid line.x2 + y2 = 4
Up 2, right 4
A. (x + 4)2 + (y - 2)2 = 4
B. (x + 4)2 + (y + 2)2 = 4
C. (x - 4)2 + (y + 2)2 = 4
D. (x - 4)2 + (y - 2)2 = 4
Solve the compound inequality and graph the solution set on a number line. Except for the empty set, express the solution set in interval notation.-4x + 1 ? 9 or 3x + 3 ? -9
A. (-?, ?)
B. [-4, -2]
C. [-2,?)
D. [-4, ?)
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.
A. Not a real number B. Irrational, -7.000 C. Irrational, -24.500 D. Rational, -7
The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
How many tickets were sold during week 4?
A. 19 tickets B. 46 tickets C. 40 tickets D. 59 tickets