Sebastian grew 21-3 inches each year for the past 3 years. How many inches total has Sebastian grown in the past 3 years?

the Answer is 21.3 x 3

Step-by-step explanation:

inches that grew each year for the past 3 years - 21.3

SO here 1 year = 21.3 inches

and it is asked about 3 years so we have to multiply 21.3 inches x 3 times ( 3 years).

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing

step-by-step explanation: