Create two tables below with equivalent ratios a. 4: 7 x | y b. 3: 1 x | y

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

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?

The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams