What are the solutions to this quadratic equation? x^2 + 13= 8x +37

A. x = 4 V10
B. x = –2 + 4v10
C. x = –4 4/10
D. x= 4 2V10

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca