Answer:
9+20t
Step-by-step explanation:
Look at the terms and see which has t and which is a number when you see like terms, add them or subtract them together to get like terms.
By using and X,Y grid starting at zero and then making its way to 1,4 for example showing that for every 1 X there are 4 Y's
Answer: The item would be 45 dollars.
Step-by-step explanation:
Answer:
c=sqrt21
Step-by-step explanation:
angle c is the angle between a and b, so use the cos law
c^2=a^2+b^2-2*a*b*cosC
c^2= 16+25-2*4*5*1/2
c^2=21
c=sqrt21
Answer:
6
Step-by-step explanation:
