Tim has some marbles sue has twice as many as tim
jim has 15 marbles

tim, sue and jim have all together 63 marbles
how many does tim have?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

5x−4≥12 or 12x+5≤−4 can you with this problem

How does the graph of y = 3x compare to the graph of y = 3-x?