Somebody, please help... It's due in 20 minutes.. Match the reasons with the statements given.

Given:

ABR

=

| |

Prove:

1 = 2

1. Segment RA=segment RB, RS||AB
1
Given
2. ∠A = ∠B
If lines ||, corresponding ∠'s =
3. ∠A = ∠2
Base ∠'s of isosceles triangle =
4. ∠B = ∠1
Substitution
5. ∠1 = ∠2
If lines ||, alternate interior ∠'s =

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no