Sets paid $1580 for a new computer system. he also paid 7.2% sales tax. how much was the tax?

Use the distributive property to factor the expression. 15x + 6 a) 2 5 b) − 2 5 c) 3(5x + 2) d) 5(3x + 6)

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how