The formula for the triangular sequence is Xn=n(n+1)/2
So X25=25(25+1)/2=325
Answer is in the attached figure.
How much was she wrong by over the total students. then divide to make the denomentator 100 and the (new) numerator is your answer
Answer:
no solutions
Step-by-step explanation:
same slope different y intercepts
Answer:
10x + 15y
Step-by-step explanation:
5(2x + 3y)
Use the distributive property
5*2x + 5*3y
10x + 15y