Write the equation 5x + 4y = 10 so that y is a function of x.
show your work.
a. y= 5/4x + 2.5
b. y= 1.2x - 5/2
c. y= -5/4 - 5/2
d. y= -5/4x + 5/2

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?