8 questions; if you solve all of them (with the numbers next to the question) you will get 80 points. Write a formula for the given measure. Tell what each variable it represents. Identify which variable depends on which formula.
4. the perimeter of a rectangle with a length of 5 inches
5. the area of a trapezoid with base lengths of 7 feet and 11 feet
Tell whether the ordered pair is a solution of the equation.
6. y = 4x; (0.4)
7. y = 3x; (2,6)
8. y = 5x - 10; (3,5)
9. y = x+7; (1,6)
10. y = 7x + 2; (2,0)
11. y = 2x - 3; (4,5)

Can (3,5 and square root 34) be sides on a right triangle?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Write the function for the graph. (1.8) (0,4)