Ihave a matrix that is 3x4 with one unknown in b. i need to solve for this b.
1 3 7 12
1 4 10 the b is 15
2 3 5 x

Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.