A tree 4.7 m tall casts a shadow 8.2 m long. Calculate the angle of elevation of the sun.

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?

Given that abcd is a rhombus, what is the value of x?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers