Write an expression to represent twice the difference between a number and 9

Two variables are correlated with r = - 0.23. Which description best describes the strength and direction of the association between the variables? Question 4 options: strong negative weak positive weak negative strong positive

64 students are planning a field trip to an art museum. Each student will pay $9. Each van can hold 7 students and 1 driver.

1. Find the difference. (-6x + 2y - 3) - (2x - 4y - 7) A. - 8x + 6y + 4 B. - 8x - 2y - 10 C. - 4x - 2y - 4 2. Find the difference. (4x2 + 3x + 2) - (2x2 + 2x + 1) A. 2x2 + 5x + 3 B. 2x2 + x + 1 C. 2x2 - x - 1 3. Find the sum.

How do you write 0.40 as a fraction in simplest form

Mr. Mole's burrow lies 5 meters below the ground. He started digging his way deeper into the ground, descending 3 meters each minute. Graph the relationship between Mr. Mole's elevation relative to the ground (in meters) and time (in minutes).

4525 round to the nearest tenth place

A survey shower that 82% of adults need correction for their eyesight. If 18 adults are randomly selected, find the probability that no more than 1 of them need correction for their eyesight.

Ron what to make a rectangle basketball court if the length is 4 whole number 3/4 yd and the width is 3 whole number is 2/5 yd. what is the area

Find the volume of the cylinder. height - 10 in. base - 3 in.

Seven less than the quotient of a number, x, and twelve is five times the number