What is x+6y=21? also what is 8x-7y=3?

What is the length of one side of a die if the volumn of the die 27 cm^3 a) 3 cm b) 7 cm c) 9 cm d) 24 cm

A map of australia has a scale of 1 cm: 110 km. if the distance between darwin and alice spring is 1444 kilometers, how fa apart are they on the map, to the nearest tenth of a centimeter?

A recipe uses 8 cups of milk for every 3 cups of oatmeal. 3/4 1/2 How many cups of milk are used for each cup of oatmeal?

A region R in the xy-plane is given. Find equations for a transformation T that maps a rectangular region S in the uv-plane onto R, where the sides of S are parallel to the u - and v-axes as shown in the figure below.

7x^2 - 21x Factor the Polynomial

The formula below gives l, the interest earned by depositing p dollars in a bank account at annual interest rate r for one year. l=pr If a deposit earns $75 of interest, which equation gives the principal p as a function of the interest rate r? A.

Morgan's juice glass holds 225 mL. If she uses the glass to drink 8 glasses of water every day, how many liters of water does Morgan drink in one week?

Find the area of a circle with a diameter of 10 units. Round answer to the nearest hundredth of a square unit.

2. To the nearest cent, what is $57.10 decreased by 41%? A $23.41 B $33.69 C S34.69 D S80.5

Gabriella is x years old. Her sister, Felicia is 6 years older than she is. Their mother is twice as old as Felicia. Their aunt is x years older than their mother. Write and simplify an expression that represents Tanya's age in years.