I need help pls everyone is saying it is 8. something x 10^5 but that isn’t one of the choices

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?

Solve 2x − 1 = 11 for x using the change of base formula log base b of y equals log y over log b.