Which expressions are equivalent to

2r + (t+r)

How do you find the amount of nuetrons in an atom?

Two lines and B are represented by the equations given below line a 2 x + 2 y equals 8 line B X Plus y equals 4 which statement is true about the solution to the equation it is (8,4) it is (4,8) there is no solution there re infinitely many

Which reason explains the congruency of these two triangles

Daria placed the number - 4/7, 0.58,-0.6, and 5/8 on the number line. Which of the numbers is furthest from zero

45% of the fish in a shop is marlin. The remainder is dolphin. If there are 110 dolphins how many marlin are in the shop?

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. The solution set of n2 - 14n = - 45 is [ ]

Peter is 2 years older than Winnie. Peter's age is 16 years less than seven times Winnie's age. The equations below model the relationship between Peter's age (p) and Winnie's age (w): p = w + 2 p =

Name a fraction equivalent to 2/3

The teacher has 15 gold prize ribbons, 22 blue ribbons, and 5e red ribbons. There are 12 boys and 18 girls in the class.

3 (6x^2-5x+7) - 2 (-4x^2+8-10)