Who wanna b my brotha?

Solve this problem e=0+4m+p/6 (i also need to know what they are asking)

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.

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.