Here are four number cards. 4 5 1 8

A) Using only two of the cards, write down the smallest two digit number that can be made?

B) Using only three cards, write down the three digit number closest to 500 that can be made.

The correct answer gets brainliest and 27 points

Please help! Good luck

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Plz : denver is about 5,200 feet above sea level. which number line best represents this integer?