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Three times the sum of a number and ten is forty

Answers to select:

A. 3 (n+10) + 40 B. 3n+10=40

C. 3n-10=40 D. 3 (n+10) = 40

Ms. Metz has 24 students in her class. There are twice as many male students in the class as female students. How many male students are in her class?

4.) Eric wants to attend a public four - year university. He estimates that the average cost of one year at this university is $19,500. He can save at most $325 a month.

What is a fraction?

Simplify 12 cubed over 12 to the seventh power.

How do you solve m=10x-x for x

Use substitution to solve the system of equations. y = - 2x x - 3y = 21 (3, 4) (-6, 12) (3, - 6) (-2, - 6)

Solve x/42=3/7 using two different strategies. explain each strategy

Jerry kitten grew 3cm between the age 4and 5 months. The kitten grew 2cm between the ages of 5 and 6 months. At 6 months the kitten is 19cm tall was jerry kitten at the age 4months

Find the discriminant and the number of real roots for this equation 9x^2+12x+4=0

write an integer expression that equals 10. it must contain at least 2 positive integers and 2 negative integers. it also must contain at least one addition symbol and one subtraction symbol