15. A machine in a factory cuts out triangular sheets of metal. Which of the triangles are right triangles? Select all that apply.
Triangle 1
Triangle 2
Triangle Side Lengths
Triangle Side Lengths (in.)
1
12 19 505
2
16 19 1467
3
14 20 596
Triangle 3
Triangle 4
4
11
23
1421

answer: 2 answers

step-by-step explanation: the first one means to spread the product throughout the marketplace such that a large number of people can buy it.  

the second means the process of making a product or service available for the consumer or business user that needs it.

mark this brainliest and i will be glad to .

b.

step-by-step explanation:

i just know

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.