What is 0.51 + 0.28? as a decimal u : )

6.3x+14 and 1.5x-6 answer in simplified form

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Find the cosine function that is represented in the graph.