Given that parallelogram abcd and angle d=145 what is the measure of angle c

The length of the line segment ac is 8x-9 what is the value of x

Aresearch study is done to find the average age of all u. s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)