10 y
is directly proportional to
x
2
.
If
y
=
8
when
x
=
2
find
x
when
y
=
50

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)