Gold paper(x) costs $8 per roll and blue paper(y) costs #4 per roll. How much gold and blue paper can you buy if you have at the most $48 to spend?

The verbal translation for the difference of m and 7 increased by 15

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Abcd is a square. what is the measure of angle bac