Answer:
this rule follow the airthmatics progression.
Answer:
![28 cm^2](https://tex.z-dn.net/?f=28%20cm%5E2)
Step-by-step explanation:
<em><u>The formula for finding the area of a triangle is:</u></em>
<em><u /></em>![\frac{1}{2} bh](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%20bh)
<em><u>The "b," is the base (7), and the "h," is the height (8):</u></em>
![\frac{1}{2} (7)(8)](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%20%287%29%288%29)
![\frac{1}{2} (56)](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%20%2856%29)
28
320 gallons i guess theres not much question here
Answer: 3 hours
Step-by-step explanation: Subtract the flat fee first. 15-3=12. She earned $12 without the flat fee, so divide that by 4. $12/$4 per hour = 3 hours.
Answer:
a) 86,314.
b) 9,162,500.
Step-by-step explanation:
(a) 838(100 + 3)
= 83800 + 2514
= 86314.
(b) 91625 x 179 - 91625 x 79
= 91625(179 - 79)
= 91625 x 100
= 9162500.