Allegra planted flowers yesterday morning. she started at 7 a. m. and by 8 a. m., she had planted 9 flowers. at which time had allegra planted 35 flowers?

a. 9 a. m.
b. 10 a. m.
c.11 a. m.
d. 12 p. m.

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?