Solve the linear equation.

12x - 3 = 3x - 30

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x=

A train travels at an average speed of 67.5 miles per hour at this Speed how far can the train go in 3.25 hours?

Use the determinant of the coefficient matrix to determine which of the following linear systems have unique solutions. 0 X + 3y = 4 3. x - y = 5 x+2y - z = 8 x-y+22=0 2x - 3y + z = 1 O x + 3y + z = 4 2x+6y + 2z = 5 X + y + z = 0 DONE

If Q (x) = 4x^2 - 1, find Q (-7)

A car dealer advertised a big sale by stretching a stringof banners from the top of the building to the edge of driveway. If the building is 27 m high and driveway is 32 m from the buildind, how long is the string of banners?

The sum of Rob and Bob's ages is 74. The difference of their ages is 4. Find their ages if Rob is older and sum equation.

Which linear equation has a slope of 3 and a y-intercept of - 2?

Round 78482 to the nearest thousand

It takes about 14 person-hours of labor to break up a driveway and clear away the rubble. It tajes about 8 person-hours of labor to pour and smooth concrete for the new driveway.

Javier bought 48 sports cards at a yard sale. Of the cards, 3/8 were baseball cards. How many cards were baseball cards? A:48 B:18 C:6 D:3

Solve for x: - 4|x + 5| = - 16