What is the answer to 3x+4y=12

Ancient chemistry class Andrew has earned scores of 64 69 and 73 on three tests he must maintain an average of 70 to pass the course. what score must Andrew earn on the final exam to pass the course

One ounce of cheddar cheese contains 9 grams of fat. Six of the grams of fat are saturated fats. Find the ratio of saturated fats to total fat in an ounce of cheese.

Round the number 3,250.0883 to the nearest hundredth. 3,300 3,250.088 3,250.09

Suppose a college student pays $700 for tuition fees. However, she also has to pay $400 for her textbooks (ouch!).

In a sale, the price of a computer is reduced from $1,280 to $1,030. Find the rate of the discount and the amount of the discount. Round the discount rate to the nearest tenth of a percent if necessary.

The ratios of boys to girls in a tennis camp is 3:5. If there are 64 campers, how many are girls? A) 24 B) 32 C) 36 D) 40

Rates unite rates and ratios 50 candles in 4 boxes

46. In the word "percent", the "cent" represents what number?

How many arrangements can be made with the word number?

Ayuda porfa 3x + 20 = 80+60