Consider (test a - test b). use a 0.05 significance level to test the claim that people do better on the second test than they do on the first. (note: you may wish to use software.)

A new toy store had expenses of $50,000 for designing and building the shelves and counters and $150,000 for the first year's toy inventory. So far this year, the toy sales are $60,000.

There was daylight for 16 hours what percentage of the day was dark

An algebraic expression is described below. six more than the product of four times the difference between x and 3 What is the value of the expression when x = 8? A. 14 B. 26 C. 35 D. 50

If an unfair coin is tossed into the air and drops without interruption, its probability of landing on heads is 0.51 whereas the probability of landing on tails is 0.49. If the payoff for landing on heads is $0.

Describe the simplest way to find the total surface area of a cube

The 24 students in mr. browns home room sold 72 magazine subscriptions. the 28 students in mrs. garcias home room sold 98 magazine subscriptions. whose homeroom sold more magazine subscriptions per student explain your reasoning.

The lunch bill for marty and breanna at a diner totaled $18.37. Tax on the meal was 6%, and they wanted to leave a 15% tip. How much was the meal including tax and tip?

A cone can be used To make

A bowl holds 6 cups of rice. If I use a measuring cup that holds 23 of a cup, how many times will I need to fill the measuring cup in order to fill the entire bowl?

Which are the solutions of the quadratic equation? x^2 = - 5x - 3