In a recent year the population of califorina was about 2.52x10^7 people its land area is about 4.05x10^5 km^2 what was the average number of people per square kilometer.

Write this sentence as an equation. 246 is equal to w reduced by 257

A function is shown in the table below. x f (x) -4 2 -1 - 4 0 - 2 3 16 If included in the table, which ordered pair, (-4,1) or (1,-4), would result in a relation that is no longer a function? Explain your answer.

A machine can stamp 40 envelopes in 8 minutes. How many of these machines, working simultaneously, are required or needed to stamp 120 envelopes per minute?

An amphitheater charges $75 for each seat in Section A, $55 for each seat in Section B, and $30 for each lawn seat. There are three times as many seats in Section B as in Section A. The revenue from selling all 23,000 seats is $870,000.

Use a proportion to find the missing side length, x. Triangle A B C dilated to form triangle D E F. In triangle A B C, side A B measures 10 and side B C measures 4. In triangle D E F, side D E measures x and side F E measures 2.

Which equation forms a pair of linear equations with 9x+12y=48 such that the system has no soulution?

What is the percent of decrease from 155,000 to 140,00

A telephone company charges $0.30 for the first 4 minutes of a call and $0.18 for each additional minute. How long can a person talk for $3

determine if these equations are true or false A. 50 tens x 4 hundreds = 40 tens x 5 hundreds B. 24 x 10 x 90 = 90 x 2400

A shipment of 9 microwave ovens contains 2 defective units. A restaurant buys four of these units. What is the probability of the restaurant buying at least three nondefective units?