В угол DD вписана окружность, которая касается его сторон в точках AA и BB. На одной из дуг этой окружности выбрали точку CC так, как показано на рисунке. Найди угол DD, если \angle ACB=52^\circ∠ACB=52 ∘

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Factor the expression using gcf 9b+45

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price