There is 45kg of mortar. the ratio of cement to sand in the mortar mix is 1 to 4. how many kg of cement is in the mortar

Plz, ! the box plot below shows the total amount of time, in minutes, the students of a class surf the internet every day: a box plot is shown.part a: list two pieces of information that are provided by the graph and one piece of information that is not provided by the graph. (4 points) part b: calculate the interquartile range of the data, and explain in a sentence or two what it represents. (4 points) part c: explain what affect, if any, there will be if an outlier is present. (2 points)

What is sin 7x/4 ? i need on this urgent trig

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?