Factor the trinomial below. x2 + 4x – 21 a. (x – 3)(x + 7) b. (x + 3)(x – 7) c. (x + 3)(x + 7) d. (x – 3)(x – 7)

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

The deepest part of the swimming pool is 12 feet deep.the shallowest part of the pool is 3 feet deep.what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?

Enter the amplitude of the function. f(x)=3cosx