Answer:
77
Step-by-step explanation:
just do 500-423
The answer is 19.6 cm^2
you should find the height of the triangle by heron formula: it will be 9.8
so the area is

good luck
Answer:
For bag C
Step-by-step explanation:
Bag C has more blue marbles than red ones
Answer:
f(-9)=31
Step-by-step explanation:
f(x)=-5x-14
f(-9)=-5(-9)-14
f(-9)=45-14
f(-9)=31