Solve, using linear combination.

4x + y = 5

3x + y = 3

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.