Which best describes Devon’s first error?
In Step 1, Devon should have included only the numbers 0 and 1 on the number line
In Step 2, Devon should have used the numerator to determine the scale.
In Step 3, Devon should have divided the space between Negative 1 and 1 into sixths.
In Step 4, Devon should have counted 5 spaces to the left of 0.

How do you find the area of a triangle

True or false look at the picture pls : /

Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?