Add or subtract as indicated. Write the answer in lowest terms.
- 
A. 
B. 
C. -1
D. 
Answer: D
Mathematics
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Solve the problem.At a pizzaria, the cost of a pizza is $18.75 plus $0.80 for each topping. Express the total cost of a pizza, C, as a function of the number of toppings, n.
A. C = 18.75n + 0.90 B. C = 18.75 + 0.90n C. C = 18.75n + 0.80 D. C = 18.75 + 0.80n
Mathematics
Write the decimal in words.4.25
A. Four and twenty-five thousandths B. Four and twenty-five tenths C. Four and twenty-five millionths D. Four and twenty-five hundredths
Mathematics
Add. Do not use a number line except as a check.-4 + 12 + (-19)
A. -11 B. 27 C. -3 D. 35
Mathematics
Solve. Write a mixed numeral for the answer.Find the length of the section represented by x in the figure. 
a = 25
b = 1
c = 10
A. 13
B. 34
C. 13
D. 16
Mathematics