Answer: 
Step-by-step explanation:
Given
Luis used 590 gm of flour each day
If he continues to use it for 3 weeks
A week has 7 days; so 3 weeks have 21 days
The flour used in 21 days
Thus, of flour is used in 3 weeks
3 lots of 3 make 9 use a calculator
Answer:
6
Step-by-step explanation:
Answer:
f(-3)= 5
f(0)=8
f(5)=13
Step-by-step explanation:
you just take the x axis and plug it into the equation. I hope this is the right answer. Let me know if u have any questions! :)
Answer:
See below
Step-by-step explanation:
It is NOT a RIGHT triangle so you <u>cannot use</u> 1/2 b * h
but you can use Heron's Formula
Area = sqrt( s (s-a)(s-b)(s-c) )
s = semi- perimeter = (3+6+7)/2 = 8
Area = sqrt ( 8 ( 8-3)(8-6)(8-7) ) = sqrt ( 80) = 8.9 cm^2
