(25 points & Brainliest, please explain)
Classify the expression: 5x + 3x^2 − 7.

A) Linear expression
B) Quadratic expression
C) Cubic expression
D) Quartic expression

Quadratic expression

Step-by-step explanation:

5x + 3x^2 − 7

Degree of expression = 2

So it is Quadratic expression

B) Quadratic expression

Step-by-step explanation:

5x + 3x² - 7

3x² + 5x - 7

grab rope, tie a loop-de-loop, put it around ur neck, now jump while its tied to a high place. now your shoes are cool.

step-by-step explanation:

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.