What is the value of x in the triangle (34*)(3x)(50*)

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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?