Franceska has $ 15 more than Hanke Mark has
twice much as Franceska.
Together, they have $193. How much does.
each student have ?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.

The longer leg of a 30-60-90 trangle is 18