3xy+2xz=1 Please also show the explanation thank you

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !