18. In a survey of 2400 people, it was found that 1800 people use

cellular phones. What percent of the people do not

use cellular phones?

18.

Dos ángulos opuestos por el vértice pueden ser complementarios

Vanessa drove 436 miles in June. She drove 5 times as many in July as she did in June. What is the total number of miles she drove in June and July?

Find the formula for the nth term of the arithmetic sequence - 7, - 4, - 1, 2

Write there ratios that are equivalent to one given : The ratio of right handed students to left handed students is 18:4

Tristan swam around a lake 8 times. The distance around the lake was 0.25 miles. He swam at an average of 60 minutes per mile. Which explanation correctly tells how to calculate the time it will take Tristan to complete his swim? A.

If f (x) = - x + 4 and g (x) = x^2 - 5, then g (f (3)) = ? A) - 8 B) - 4 C) - 3 D) 0

F K = (x, y), is Set K a function?

70% of the 100 students in Middle School cafeteria bought their lunch some of the students that bought their lunch leave the cafeteria to attend an assembly now only 60% of the remaining students brought their lunch how many students are remaining

What percent of 150 equals 24.9

Raul wants to buy a new collar for each of his 3 cats. The collars come in a choice of 4 different colors. Step 2 of 2 : How many selections of collars are possible if repetitions of colors are not allowed