David keeps records of his monthly earnings. last month he worked 120 hours and earned $2700. this month he worked 100 hours and earned $2300. which equation could you use to find f(x), the amount he would earn at this rate if he worked x hours?
f(x)=120x+400
f(x)=400x
f(x)=100x+300
f(x)=20x+300
and tell me why it's the . ^-^"

The transitive property of equality states that: o if a = b, then bra o if a = b, then ac = bc o if a = b and b= c, then a = if a = b and c= c, then a + b = b + c

What is the average diastolic blood pressure for adults

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?