Jake says that there should be a decimal point in the quotient 142.45 divide 1,925 after the 2. Part A

Which equation shows the best estimate for the quotient?

A: 150 divide 10 = 15

B: 140 divide 10 = 14

C: 150 divide 5 = 30

D: 140 divide 7 = 20

How did you answer this?

Part B

Explain whether Jake is correct.

Enter 1, 2, 5, 9, is, or is not in the answer boxes below. Answer choices can be used once, more than once, or not at all.

Jake correct because 192.5 close to the estimate. The decimal point belongs after the .

How did you answer this?

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.