знайка и незнайка розв'язували задачі з математики, знайка розв'язав 15\19 усіх задач. Скільки всього задач розв'язали Знайка і Незнайка, якщо Знайка розв'язав на 44 задачі більше, ніж Незнайка?​

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job. write the function's formula.

Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8