Select the correct answer Given the equations 9x + (3)/(4)y = 6 and 2x + (1)/(2)y=9, by what factor would you multiply the second equation to eliminate yand solve
the system through linear combinations?
OA.
-4/3
ОВ. .
-3/4
ОС.
-3/2
OD
*-772

Evaluate cos2θ for cosθ = square root of 3/2

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.