How to solve

tg9 + tg81 + tg117+tg153

Debbie bought some apples at the grocery store. The apples cost $0.89 per pound. I'd Debbie spent $2.67 on apples, then how many pounds of apples did she purchase? (Answer choices: A-1.5 pounds B-2.67 pounds C-3 pounds D-4 pounds)

Why is circle 1 similar to circle 2? Circle 1: center (-1, 10) and radius 4.8 Circle 2: center (-1, 10) and radius 1.2 Circle 1 is congruent to circle 2. Circle 1 and circle 2 have the same center.

Graph the following system of equations 5x-2y=-1 -15x+6y=3

An electrician cuts a 21 ft piece of wire into two pieces. One piece is 13 ft longer than the shorter piece. How long are the pieces?

Bob's Bagels sell for 10 bagels for $11.00, and Donny's bagels sells for 4 for $3.00 which is the better deal

Find dy/dx by implicit differentiation. 4 + 7x = sin (xy^2)

Cameron drinks 30 mm of formula 9 times a day after week how many millimeters of the formula does Cameron drink

A customer needs to seed an area 75 feet by 50 feet in size. Each bag of seed can cover 25 square feet of land. How many bags of seed do you need to cover the lot

What is the definition of a term?

The work accomplished by two people working on the same task for the same amount of time but at different rates is given by the equation w=r1t+r2t. solving this equation for t, which of the following steps would not be algebrailly correct?