Ari decides to run 8.5 kilometers this weekend. he jogs 8.9 laps around the running track on saturday. how many more kilometers does he need to jog on sunday?

a. y = 8.9 × 0.4

b. y = 8.5 × 0.4

c. y = 8.5 ÷ 0.4

d. y = 8.9 ÷ 0.4

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?