If x=1,y=3,z=4 evaluate x^2+y^2+z^2-3yz^2

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)

Find the value of the variable and the length of each secant segment.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels