(x+5)(x+3) Polynomial in standard form

How many grams must be adde to 970g to make 1 and a half kg

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

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