Which of the following is not an acceptable form of proof?
a. indirect proof
b. flowchart proof
c. two-column proof
d. conjecture proof

What is sin 7x/4 ? i need on this urgent trig

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?