1 cubic metre of concrete had a weight of 240 kg. 15% of the concrete is water. The rest of the ingredients of concrete are cement, sand and stone.
The weights of these ingredients are in the ratio 1:2:5
work out the weight of the cement, sand and stone in 1 cubic metre of concrete.

please please help i really need it done

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem

The area of each triangle is 7 square units. the surface area of the triangular prism is