Find the gradient of the straiht line with the equations1.2(3y+4x)=6 ,2.5(y-3x)=10-5x 3.3y-1/2x=7. 4.1/4x-1/3y=1. 5.3y=2x/3+4

What is the most accurate measurement of 1 pound

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'