Solve each system by substitution

x^2 - 14x + 49 = 4?

How many ml of a 20% acid mixture and a 80% acid mixture should be mixed to get 120ml of a 35% acid mixture?

A length of glass tubing is 10 cm long. What is its length in inches to the nearest inch?

Leanne multiplied 8 x 4.3 and got 32.24. Is Leanne correct? Use an area model to explain your answer

What is 10.6 as a fraction or mixed number in simplest form?

Sarah has a credit card balance of $9,450 with an APR of 17%. With her current budgeted payment, Sarah will be able to pay off this debt in 36 months. But Sarah's best friend just invited her to spend two months in Europe with her in 9 months.

What's LCD 5/6 3/18 7/9 1/126

Captain Jessica has a ship, the H. M. S. Khan. The ship is two furlongs from the dread pirate Luis and his merciless band of thieves.

Nates classroom has three tables

What is the value of x in the equation below? 150 = 3/5 x

The silo in the diagram best resembles what geometric solid?