The ratio of boys to girls in a group is 7:3. If there are 40 more boys than girls, work out how many people there are in total.

The half-life of carbon-14 is 5730 years. How long will it take for 7/8 of a sample of carbon-14 to decay? 11,460 years 17,190 years 22,920 years 28,650 years

What is 6,708 rounded to the nearest ten

He manager of a supermarket found that 72% of the shoppers who taste a free sample of a food item will buy the item. What is the expected number of shoppers that will buy the item if a random sample of 50 shoppers taste a free sample?

A survey asked a group of students to choose their favorite type of pet. The results of the survey are shown in the table. Based on this data, what is the approximate probability that a student prefers hamsters? (round to the nearest hundredth) A) 0.

Find the range of the graphed function. O A y2-4 O B.-45 ys 8 O C. yis all real numbers, O D. - 4 sys9

Percent increase from 86 to 150

The following table shows the speeds at which Jeff does 444 activities. For example, biking has a rate of 191919 miles in 222 hours.

Which two solid figures have the same volume? A. An oblique solid with a base of 4 cm2 and a height of 8 cm B. A cone with a base of 4 cm2 and a height of 8 cm C. An oblique solid with a base of 4 cm2 and a slant height of 8 cm D.

What is rhe persent increased and rounded to the nerest persnt in 86to 150

How do I Factor 125x^3 - 64 The answer is not (5x+4) (5x-4) or (5x-4) (25x^2 + 15x+16)