8. At George's elementary school, the children have bicycles and tricycles. The number of bicycles is
7 less than twice the number of tricycles, and
altogether there are 70 wheels. How many
bicycles are there?

step-by-step explanation:

the options are kind of confusing. i can tell you what i see going on here when i look at the graph.

the class and exam medians are closely related, and it looks like the low outlier on the exam did pull the median lower. [tex][/tex]

english, cause i can’t you

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

sweetheart, there isn't a cube below.