What is the sum of the polynomials 8x^2-7x+3 and 2x^2 +10x-5

Miguel bought a movie ticket that cost $5. he also bought popcorn and a bottle of water. how much did miguel spend altogether?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

Adeposit of 5500 at 6% for 3 years equals