Which expression has the same value as 15+24

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers