105men,196 women and 77children attend a concert. adults paid 15.00 each chlid paid8.00. how much collected

Which matrix multiplication is possible?

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2