ALGEBRA LINEAL : considerando que a= -3, B=4 obtén el producto escalar:

1. a* (5, -3)

2. a (5, -3) + ß (4, 2)

3. a ((5, 7, 3) - (8, 3 -2))

Necesito mucho su ayuda, muchísimas gracias

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

Need this asap if anyone can i would be very grateful. if you could show workings that would really

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?