Select the expression that is equivalent to

(6.4x + 3.1) + (-2.8x + 3).

a. 9.2x + 6.1

b. - 3.6x-0.1

c. 5.7x + 6

d. 3.6x + 6.1

Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x=97.47​, y=97.35​, r=0.892​, ​ P=0.000, and y=-9.15+1.

The sum of three consecutive integers is 21 larger than twice the smallest integer. find the integers.

Find the tan line to y=4sinx at (pi/6,2)

Two more than the Quotient of twelve and a number

What are some useful ways for finding equivalent fractions and equivalent ratios?

If a student is chosen at random, find the probability of getting someone who is a man or a woman. Round your answer to three decimal places. 0.195 0.923 1 0.805

A clothing store purchases a sweatshirt for $26 and adds $15 to set the sticker price. The store is having a sale where everything is on sale for 20% off.

12 + 20x = 34 x = ? giup toi voi

The post office is 0.15 mile from Abdul's house. His school is 3/8 mile from the post office. If Abdul stops at the post office on his way to school, how far will Abdul walk in all?

Carlos operates a helicopter. Carlos decides to measure the rotational velocity of the helicopter blades. What would be an appropriate unit for Carlos's purpose?