It is given that a =5i – 7j and b=41 +3j. find the unit vector in the direction of a-b. diberi bahawa a=si-7j dan b=4i +3j. cari vektor unit dalam arah a-b.

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15