Which pair of numbers is relatively prime? a. 68 and 119 b. 40 and 395 c. 119 and 715 d. 63 and 56

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)