How do you solve this system of equations?

18x^2+12xy-18y^2=30

-x^2-3xy+y^2=3

A division problem that equals 1/5

What should replace the question mark to produce a difference of squares x2+? x-25

Place value of 3,452

The projectile motion of an object can be modeled using s (t) = gt^2+v0t+s0, where g is the acceleration due to gravity, t is the time in seconds since launch, s (t) is the height after t seconds, v0 is the initial velocity, and s0 is the initial

A company offering short term loans agrees to lend Nick $1,200. The amount (plus interest) is repayable in one year, and the interest rate is 12% per month.

We mathematical induction to prove the statement is true for all positive integers n. 8+16+24 + ... + 8n=4n (n+1)

How do we know that it's a parallel line

The Rivera family drove 267.9 miles from their home to Cape Cod, Massachusetts. They used 9.5 gallons of gas. How many miles per gallon of gas did they get on the trip?

What is the product? - 3 4 2 - 5 3 - 2 1 0

Sahir took 1 h 22 min to do his english homework 45 min to do his maths homework, and 10 min to do his urdu. How long did he take to complete all his homework?