4x - 2y - 5z = - 51

4x - y - 2z = - 36

4x - 2y + 4z = - 24

Convert 7 centimeters to milimeters

2. The fireworks technician has two rocket launchers, each with a base and stand in the form of an L. A diagonal trough on which the technician places a rocket joins the ends of each L. One launcher has a 4-inch base and 10-inch stand.

What is the answer to 21-9c

Follow the rule to find the next three numbers in pattern. describe the pattern using the terms even and odd. add 5: 1, 6, 11

A population of insects doubles every month. this particular population started out with 20 insects

Describe the association between a person's height and their name.

X + y + z = 12 6x - 2y - z = 16 3x + 4y + 2z = 28

What is 12% of 32 equal

The expression 16-3/4 is equivalent to the expression

For people doing some jobs, long spells of high pressure weather can bring problems. Give three examples of jobs that would be affected by high pressure.