P, Q, R & S form the vertices of a quadrilateral. ∠
PQR = 71° and
∠
RSP = 134°.
Find the value of
∠
SPQ.

Factor the polynomial expression x6 – x3 – 20

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle

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