Solve.A high school graduating class is made up of 406 students. There are 70 more boys than girls. How many girls are in the class?
A. 406 girls
B. 238 girls
C. 168 girls
D. 70 girls
Answer: C
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Use your knowledge of multiplying signed numbers along with the techniques of multiplying decimals to find the product.-2.3 × 3.66
A. 8.418 B. -8.418 C. -0.8418 D. 0.8418
Solve the problem.In the formula N = Iekt, N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. How long will it take for the population of a certain country to triple if its annual growth rate is 4.6%? Round to the nearest year.
A. 1 year B. 65 years C. 24 years D. 10 years
Find the mean. Round to the nearest tenth when necessary.The numbers of miles John ran over the last six days were as follows: 5, 6, 9, 6, 13, 10
A. Mean = 9.8 miles B. Mean = 8.2 miles C. Mean = 6.7 miles D. Mean = 8.7 miles
Write the trinomial in standard form and then factor completely. If the trinomial cannot be factored, say it is prime.60 - 16x + x2
A. (x - 6)(x - 10) B. (x - 6)(x + 10) C. (x + 6)(x - 10) D. (x + 6)(x + 10)