Answer:
The first one is true. 5b+15=14
Step-by-step explanation:
(b+3)/7= 2/5
After cross-multiplication:
5(b+3)=2*7
5b+15=14
500,000 round up from 491,852 to 500,000
Answer:
18920
Step-by-step explanation:
43000*(11/100)*4
Answer:
Which of the following sets of possible side lengths forms a right triangle?
<h3><em><u>11, 60, and 61</u></em><em><u>✓</u></em></h3>
6, 12, and 13
9, 40, and 45
12, 35, and 38
Step-by-step explanation:

<h3>11, 60 and 61 is the right answer.</h3>
Answer:
1 acute and 2 right (the last option)