Line l and line m are straight lines. What is the measure of angle y? Line l intersects line m to form 4 angles. Clockwise, from the top, the angles are: y, x, z, 43 degrees.
43°
47°
137°
147°

the answer is c)8

step-by-step explanaction:

32/80  

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation:

hello from mrbilldoesmath!

answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb