The top one, hope this is right :)
Answer:
Josh was driving faster
Step-by-step explanation:
Josh was going faster becuase 320 divided by 4 is 80
and 225 divided by 3 is 75.
In conclusion Josh was going faster by 5mph.
Step 2 , supposed to be 4^-15 instead of 4^-2. Always multiply the exponents together.
Answer: Chris made a mistake in step 2 -C
Answer:
bc= 6
Step-by-step explanation:
since the triangles are similar, the sides are in a ratio
xz/ac = 20/4 (5:1)
yx/ba = 15/3 (5:1)
yz/bc = 5:1 = 30/6
Is there any more to the question? i’m confused