If a = half then what is 4 (a-1) = ?

14. what temperature is 12 degrees lower than - 3 celsius 15. In a group of 60 children, there are three times as many boys as girls. How many girls are there? 16. If x=5, calculate the value of: 2x² + x

3/8 to 7/8 find the percent of change and is it decrease or increase

Simplify 218.9 multiplied by 0.0031

Perpendicular lines have slopes that are what

When 19 is added to one-quarter of a number, the result is 40. What is the number?

The standard form of the equation of a parabola is x = y2 - 4y + 20. What is the vertex form of the equation? A. x = (y - 4) 2 + 4 B. x = (y - 2) 2 + 16 C. x = (y - 2) 2 + 4 D. x = (y - 4) 2 + 12

Can somebody explain how to convert fractions with different denominators to fractions with the same denominator

There are 6 boys and 8 girls in a singing group. what fractional part of the group is girls

Is the relation a function? { (14, 9), (15, 8), (8, 7), (1, 9), (15, 2) }

What is 2.685 rounded to the nearest hundredths place