jill begins the summer with $500 in her savings account. each week, she withdraws $20. Her brother, Sam, starts the summer with $150 in his account. he adds $30 to his account each week. at what week will both Jill and Sam have the same amount in their account.

Most animals give birth during a general time of year. this is because animals naturally breed so that their young will be born at the time of year when there will be adequate food supply. the bar graph shows the number of live births of a jackrabbit native to california over the course of year x. based on the data, which of the following would be an appropriate conclusion? a) in general, rabbits give birth during the spring months b) in general, rabbits give birth during the summer months c) in general,m california jackrabbits give birth during the spring months d) in general, california jackrabbits give birth during the summer months

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'