(-2)*4*(+3)*(-1)
$3^{b}$ = 16777216
is sqrt(5) rational or irrational
3/4-1/8-1/2
A = {5, 6, 7}
J = {0, 1, 2, 5, 8}
240−(70.21−j106.72)×(0.15+j0.05)
f
if x varies inversely as the square root of y and x = 2 when y = 225, find x when y = 144
− 2b + 3c = 1
3a + 6b − 3c = −2
6a + 6b + 3c = 5
solve this from echolen form
15 < - 3 - 3u