A plumber charges an initial amount to make a house call plus an hourly rate for the time he is working. A 1 hour job costs $90 and a 3 hour job costs $210. What is the initial amount and hourly rate that the plumber charges. Show work.

How much data is needed to have a representative sample of the population? 10 to 20 items. At least 100 items. All of the population. It depends on the size of the population.

Mr. Thompson's sixth-grade class is competing in the school field day. There are 16 boys and 12 girls in his class.

The hypotenuse of a right triangle is 13.0, and one leg is 9.0 units shorter than the other. Find the dimensions of the figure (rounded to the nearest tenth)

A restaurant has $3,600 to spend on Advertising if each at Cost $600 how many ads will the restaurant be able to purchase

How are angle 1 and angle 4 related

A triangle has sides of lengths 10 cm and 16 cm and the measure of the angle between them is 130 degrees. Find the area of the triangle.

While traveling to his grandma for his George fell asleep a fifth of the way through the journey when he awoke he still had to travel a quarter of the distance that he had traveled while sleeping. For what part of the journey had he been asleep

The sampling distribution of a statistic is (select the best answer) : The mechanism that determines whether the random sampling was effective. A normal curve, for which probabilities are obtained by standardizing.

What is the best jumpshot in 2k20?

On a baseball field, the pitcher's mound is 60.5 feet from home plate. During practice, a batter hits a ball 226 feet at an angle of 39° to the right of the pitcher's mound. An outfielder catches the ball and throws it to the pitcher.