Find the matrix a of the linear transformation t from r2 to r2 that rotates any vector through an angle of 45 degree in the clockwise direction and the reflects the vector about the x-axis.

Find the distance between the pair of points a(-1,8) and b(-8,4)

Travis and paula went to lunch.travis ordered a sandwich for $7.50 and paula ordered a burger for $5.25.after lunch,they left a 15% tip for the waiter.how many money did they spend altogether?

Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1