Given vectors: p=2i-j, q=-i+j
find: 1. p+q
2.p-q
3. 2p-3q

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Breana is selling tickets to a choral performance. on the first day of ticket sales , she sold 3 senior citizen tickets and 1 child ticket for a total of $38. breana took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. what is the price of a senior citizen ticket?

What is the approximate value of the correlation coefficient for the given graph? a. 1 b. 5 c. 3 d. -1