Hi can someone reply me I am not sure how to factorise (2x+3)(4x-1)-(3+2x)(x-5)

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6

What ratio is proportional to 18/21

The oates family went out for dinner the price of the meal was $33.95 the sales tax was 7.25% of the price of the meal . the tip was 15% of the meal and the sales tax . how much money did the oates family pay for the meal, including tax and tip