Leah drives her car to the mechanic, then she takes the commuter rail train back to her
neighborhood. The average speed for the
10-mile trip is 15 miles per hour faster on the
train. Find an expression for Leah's total travel
time. If she drove 30 mph, how long did this
take?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%