Draw each models to show the decompositions represented by the number sentences below. Express each sum and product of unit fractions. Use parentheses to show the relationship between the number sentences.

answer: 4/6 =5/7.5

step-by-step explanation: it is based on scale and the scale between the two is 1.25. the answer is correct but i dont know if i explained it right

b

step-by-step explanation:

the word superfluous means unnecessary

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8