2(4x - 1) - 7 = 5
which statement shows a correct next step in solving the equation? (1 point)
a) the equation can become -2(4x - 1) = -2 by applying the distributive property.
b) the equation can become -2(4x - 1) = 12 by applying the addition property of equality.
c) the equation can become -2(4x - 1) = 12 by applying the commutative property of addition
d) the equation can become -2(4x - 1) = -2 by applying the subtraction property of equality.

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p

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?