B) If BC 5 N2 cm, AC = 7cm find sec B, cosec C, tan B and cot c.

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

In which form is the following function written? y = - 2(x – 3)(x + 5)