What is the cost of 2 kilograms of flour is 3 kilograms cost $4.86 in the unit price for each package of flour is the same

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy