The table shows information about the numbers of hours 30 children spent on their tablets one evening. A) Find the class interval that contains the median. B)Work out an estimate for the mean number of hours

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?