Solve a(4a+5)−8=0 by using the Quadratic Formula. (Use a comma to separate multiple solutions.)

Which expression is equivalent to 4 square root 6 divided by 3 root 2

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

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. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax