Which algebraic expression is equivalent to the expression below?
10(4x + 3) - 9x a. 31x + 30 b. 31x - 3 c. 40x + 21 d. 49x + 30 i feel the answer is b. but i'm not sure. if someone could type out the equation, that'd be great

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️