In a class of 30 pupils the ratio of left-handed pupils to right-handed pupils is 1:9. How many pupils are right-handed?

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4