How many strings can be formed using the letters a, b, c, d, e, f, with each letter used once, that that start with the letter f?

The vector matrix [2/7] is dilated by a favor of 1.5 and then reflected across the x axis. if the resulting matrix is [a/b] then a= and b=

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

Which method of gathering data will be most effective in learning how diet and fitness choices affect long-term healt