Вычислите: 1) 1/2×2/3×3/4-2/3×3/4×4/5-3/4×4/5×5/6 ​

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb