In 2007, the first iPhone was priced at $599. Today the iPhone 11 is priced at $999. What is the percent change in the cost.

A highway had a landslide, where 3,000 cubic yards of material fell on the road, requiring 200 dump truck loads to clear. On another highway, a slide left 40,000 cubic yards on the road. How many dump truck loads would be needed to clear this slide?

How many solutions does the equation 7x + 3x - 8 = 2 (5x - 4) have? Explain.

In a recent survey of gun control laws, a random sample of 1000 women showed that 65% were in favor of stricter gun control laws in a random sample of 1000 men 60% favored stricter gun control laws construct a 95% confidence level for p1 - p2

The volume of a sphere whose diameter is 18 centimeters is 246, 324, 648, or 972π cubic centimeters. If its diameter were reduced by half, its volume would be 1/2, 1/4, 1/6, or 1/8 of its original volume?

Kent worked in the houseware section of a department store. This year he set a record high for vacuum sales with567 vacuum sold. The previous yearhigh was set last year, when 540 vacuums were sold.

The course for a walkathon is 6 miles long. If Chloe wants to walk 50 miles during the walkathon, how many times must she walk the course?

A sphere has a diameter of 24 units. What is its volume in cubic units?

Guided Practice 1. A coin is tossed 50 times, and it lands on heads 28 times. Find the experimental probability and the theoretical probability of the coin landing on heads. Then, compare the experimental and theoretical probabilities.

What is the definition of when each input has exactly one output in a relation

John paints 2 portraits in 8 hours, 3 portraits in 12 hours, and 5 portraits in 20 hours. Which statement correctly describes this situation?