What's the answer guys i will give brainliest if it's right

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

The mantle is made up of which structural zones?

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)