What is the equation of this line?
y= 4x
y= 1/4x
y = -4x
y=-1/4x

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'