Answer: is C
Step-by-step explanation:
To answer this question I tried to find a common multiple of 21 and 35 which I found to be 105. As they are in minutes 105 is 1 hour and 45 minutes; after this I found 1 hour 45 munutes after 7:30, I then got 9:15
9:15 is my answer
we know that
If the ΔABC and ΔXYZ are similar. then the corresponding sides of the triangles are proportional

we have

Find the ratio

substitute the values

Simplify Divide by
both numerator and denominator

therefore
<u>the answer is</u>

2/5 i believe
because a coin has two sides ( heads or tails) then the spinner is 5 equal sections so 2/5 <3
hope it helps
I'd say centimeters, if that's what you're looking for. Maybe 1-2 cm.