Careers in the Education & Training Career Cluster include: teacher curator principal writer

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Rick is driving to his uncles house in greenville, which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120