1.) 63 is 75% of what number? Enter your answer in the box.

2.) 81 is 18% of what number?

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3.) What number is 40% of 135?

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4.) Olivia wants to walk 8000 steps today. She walked 45% of this total before lunch.

How many steps did Olivia walk before lunch?

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5.) Kirk's family drove 36 miles in 50 minutes, which was 48% of the distance to his grandmother's house.

What was the total distance in miles to Kirk's grandmother's house?

A.) 17.28 miles

B.) 24 miles

C.) 48 miles

D.)75 miles

( YOU DON'T HAVE TO ANSWER ALL OF THEM JUST BUT WHICH ONE YOUR ANSWERING)

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.