Stephen buys x pencils and y notebooks for his students. Each pencil costs $0.45 and each notebook costs $1.25. he buys a total of 210 pencils and notebooks for $142.50.

How many pencils does Stephen buy?

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If f (9) = 4 (9) - 12, which function gives f (x) ?

Multiple Choice. The circular base of a traditional tepee has a diameter of about 15 feet. Which of the following is the approximate area of the base of the tepee? A. 23.6 square feet B. 47.1 square feet C. 176.6 square feet D. 706.5 square feet

Find the slope of the line through (3, 7) and (-1, 4) Question 6 options: a) 34 b) 211 c) 112 d) 43

The sum of two numbers is 67 if three times the smaller number is subtracted by the larger the result is 7, find two numbers

The greatest common factor of 56f 3g 2 and 70fg 3 is 7fg 3.

Niki uses 15 litres of water every minute when she has a shower. She uses 100 litres of water when she has a bath. How many litres of water does she save by having a 3 1/2 minute shower instead of a bath?

How long does it takes the earth to complete one full revolution? A. 90 B. 180 C. 365

What are two factors of 36 that add up to 15

Write the ratio as a fraction in lowest terms 17 minutes to 2 hours

The expression 24 (1-x) gives the discounted price of a pair of shorts, where x is the percent of the discount written in decimal form. What does 1-x represent in the expression?