Please help me!

a) 280in2
b) 300in2
c) 150in2
d) 100in2

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Drag each tile into the correct box. not all tiles will be used. find the tables with unit rates greater than the unit rate in the graph. then tenge these tables in order from least to greatest unit rate

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.