I WILL MARK BRAINLIST

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

hope it will

#faazmessi

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.