A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that the student passes the quiz with a grade of at least 70% of the questions correct.

You're working at a marketing firm. The firm recently introduced a new smartphone to the US market and they are interested if more than half of consumers in the US are familiar with the new product.

find the solution set a^2-8a+12=0 separate the two values with a comma

For these problems, subtract the given functions and indicate the domain of the difference. 1. f (x) = (√x - 6) and g (x) = x - 6 2. f (x) = 3 / (x + 2) and g (x) = - 5 / (x + 2) 3. f (x) = x^2 + 3x + 1 and g (x) = 2x^2 - 4x - 1 4.

A car dealership sells 200 vehicles in the month of June and then sells1 4 more vehicles in the month of July. This can be modeled by the numerical expression 200 + 1 4 (200). Simplify the expression to find how many cars were sold in July.

A construction crew has just building a road. The road is 8 2/5 kilometers long. If the crew is worked for 6 days, how many kilometers of road did they build each day?

What is the domain of y = 9?

The circumference of a dinner plate is 15.7. What is the radius

Mrs. Roberts has a favorite recipe for 1 batch of snack mix. The recipe is: 2 1/2 cups pretzels 2 1/2 cups dry cereal 2 1/4 peanuts 3/4 cup raisins Part A : She estimates that each serving is 3/4 cups snack mix.

Cindy works part time a day earns $5.75 an hour. One year she worked 50 weeks and averaged 12.4 hours of work per week. About how much money did she earn that year?

Write three fractions that are not greater than 1/2 but less than 1.