In one grade of 150 students, the ratio of boys to girls is 2:3. How many boys are in that grade?

What exponential expression is equal to 2 to the negative 5th power • 2 to the 8th power?

Which steps should be followed to use a scale drawing and a new scale to find the new length of a soccer field? Add the numerator of the new scale to the old length to get the new length.

Which of the following is a property of inverse variation?. A ... Two variables exhibit inverse variation if they have a constant ratio ... B ... Two variables exhibit inverse variation if their products always equal the same nonzero constant ... C .

Solve for p scientic formula PV=nRT

What is (-2,2) multiplied by 2.5 and (2,1) multiplied by 2.5

The diameter of a human hair is 9*10^-5 meters. The diameter of a spiders silk is 3*10^-6 meters. How much greater is the diameter of a humans hair than a spiders silk?

Kelly is reading an 858-page book. During the past 6 days she has read 468 pages. At this rate, how many more days will it take her to complete

How to calculate the area of trapezium by only giving one base?

The product of 4 and a number plus the product of 3 and the same number is 35. What is the number

Here are the iq test scores of 31 seventh-grade girls in a midwest school district: 114 100 104 89 102 91 114 114 103 105 108 130 120 132 111 128 118 119 86 72 111 103 74 112 107 103 98 96 112 112 93 these 31 girls are an srs of all seventh-grade