Compound Interest

£200 at 3.5% for 4 years

Find an equation for the linear function which has slope -10 and x-intercept -7

Write a story that matches with the expression 42x-5 pls hurry

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?