In a chemical compound there are 3 parts zinc for every 16 parts copper by mass a piece of the compound contains 320 grams of copper write and solve an equation to determine the amount of zinc in the chemical compound

What expression use equal up to one hundredth of 75? Is it 75:2.5 or 0.3*2.5 or 7.5:2.5 or 30*2.5? Which expression is equal up to ten times three? Is it 75:2.5 or 0.3*2.5 or 7.5:2.5 or 30.2.5

Stephanie and alejandro were planning thier wedding. Stephine saved up four times. more money than alejandro because he lost his job at walmart. Together $15,600 How much did each one save? steps?

2 1/2xâˆ'34 (2x+5) = 3/8 what id X?

Kelly walks 0.7 mile to school. mary walks 0.49 mile to school. write an inequality using, = to compare the distances they walk to school.

The perimeter of a square is proportional to the length of its sides. This relationship can be expressed by the equation p=4s. What is the constant of proportionality and what does it mean?

Simplify 9am2-m2/m2-2am-3a2

Select all irrational numbers. √4 √8 √10 √15 √35

Question 1 12.5 pts Eduardo blinked 124 times in 4 minutes. At this rate, how many times will Eduardo blink in 7 minutes? O 128 O No answer text provided. O 31 217

The height of a rectangle prism is 2 meters. The width of the prism is 2 times the height, and the length is 2 times the width. What is the greatest number of 1-meters unit cubes that will fit into the rectangular prism?

Expand and simplify 9 (2x + 3) + 4x