Find the slope of a line perpendicular to each given line.
1) y = 1/2x - 2
2) y = 2x + 2

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49

Travis and paula went to lunch.travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch,they left a 15% tip for the waiter.how many money did they spend altogether?