What precent is 12 outta 40

A computer and printer cost a total of $1284. The cost of the computer is three times the cost of the printer. Find the cost of each item.

I don't know how to do something

If there are more negative counters than positive counters, what will the sign of the sum be?

Mary purchased a prepaid phone for 15$

If 11x - 7 = 2, then x=

Adriana writes the equation y = 2x + 4 to represent a line on a graph. Henry writes an equation that has a y-intercept that is 1 unit lower on the graph but has the same slope as Adriana's line.

A physician orders 0.5oz of magnesia and alumina oral suspension antacid 4 times per day for a client with indigestion. how many milliliters of the antacid is the client to ingest in a day?

walt averages 98 miles per hourin 4 races. if each race is 95 miles in lenght, how many miles did walt drive in the race?

What are all the sets of numbers for 2/3

What is the square root of 16x36? 4x6 4x18 8x6 8x18