Solve each given equation and show your work. tell whether it has one solution, an infinite number of solutions, or no solutions, and identify each equation as an identity, a contradiction, or neither. (5 points each) a) 2 +3 − 6 = 10 + 4 b) 17 + 5 = 23 + 4 − 6 + c) 7 +4 = 5 +8 + 2 − 10

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6