What is the value of a+2b−3c when a=9, b=3, and c=2?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Suppose a pendulum is l meters long. the time, t,in seconds that it tales to swing back and forth once is given by t=2.01

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu