Brenda wants to create a formula for computing the total cost of any restaurant dinner bill that includes 6% sales tax, a 15% tip on the pre-tax amount, $5 for parking, and $2.50 for a coat check. Write a simplified expression that can be used to calculate the total cost of a dinner that costs d dollars before tax and tip are added. Simplify the expression.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Vikram is studying the square pyramid below. on st to find the surface area of the pyramid, in square inches, vikram wrote (33.2) (34 ikram wrote (33.2)(34.2)+43(34.2)(284) what error did vikram make? o he used the same expression for the area of all four lateral faces. he used the wrong expression to represent the area of the base of the pyramid. o he used the wrong value as the height when he found the area of the lateral faces. he used an expression for surface area that only finds the total area of three faces.