Rosa is making a poster that has a rainbow as part of the design. Using a string and a pencil she makes a compass. She draws a semicircle that has a radius of 18 inches. Using the same center point, she draws another semicircle that has a radius of 12 inches.

1gm = 1000mg so 0.1gm = 1000mg

first, convert the weight to kg

160lb * 1kg/2.2lb = 72.7kg

next, the dose

72.7kg * 100mg/kg = 7270mg

it is not that hard all u have to do is plot the graph

step-by-step explanation:

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.