Use the distributive property:
And
Kristen completed 42 km. We will imagine that she ran all 6 hours. => 9 * 6 =54 km which is more than she actually completed. So we will find a 9 Multiple less than 42 km and that will be 36 km. (9 * 4 = 36 km completed by running) and the rest until 42 were completed by walking (3 * 2 = 6; 6 + 36 =42).
Answer:
C for sure
Step-by-step explanation:
Answer:
state whether this function is quadratic? why or why not?
f(x) = - 3(x - 2)(x + 3)(x + 5)
