1. What is the third angle a triangle if the two angles are 47° and 88°?

a. 45° b. 50° c. 65° d. 55°


2.In the expression –3x^y?, which is the numerical coefficient?


A. 3 B. -3 C. 4 D. 2

3. Which terms are similar?


A. 3x , 3x²

B. 4x , 4*

C. y³ , 3y


D.-2 , 10y


3.Which of the following is similar to the term -5x³y² ?

A. -5x²y³

B. 10x³y²

C. -5x³ -y²

D. 10x³ -y²



4. Which one is the literal coefficient of the expression -7ab²c?

A. -7 ...B. ab² C. ab²c D. -ab²c ​