I'm from the uk and i don't know what school to put myself in on this app. i am 14. can anyone ?

The measure of the angles supplement is 30 more than four times that of its complement. find the measure of the angle described

Explain how you might determine the rate of weathering on a sample rock

Abag contains even and odd numbered balls in the ratio of 3: 7, respectively. for each of the following, what is the probability of drawing an even-numbered ball? the total number of balls is 240 and 30 of the odd-numbered balls are renumbered by multiplying the numbers by 4.