Whats equivalent to 11 to the 8th power over 11 to the 3rd power

a. 11 to the 7th power over 11 to the 7th power
b. 11 . 11 to the 4th power
c. 11 to the 0 power over 11 to the 5th power
d. 11 to the 0 power

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?

X^2/100+y^2/25=1 the y-intercepts are at: a) (-10,0) and (10,0) b) (0,10) and (0,5) c) (0,-5) and (0,5)