Find the difference of - 3 and 7

X+y=-10 X-Y=2 If x+y=-10 and x-y=2, what is the value of x?

If the circumference of a circle is 2pi, what is the area?

What are the solutions of the quadratic equation? x^2-9x+18=0

Which of the following is a regular polygon? a: rectangle B:circle c:equalterial triangle D: trapezoid

Solve: 2x + 3 = - 1 im not that good at algebra type questions

Rewrite 2sin2x + 3 cos x - 3 in terms of cos x

The scores on an exam are normally distributed, with a mean of 74 and a standard deviation of 7. What percent of the scores are less than 81? A. 84% B. 13.5% C. 50% D. 16%

The slope of a line is given by formula m = horizontal change/vertical Change true or false

If a smoothie recipe calls for 8 pints of mango juice but only 10 cups of mango juice are available, what is the scaling factor the other ingredients in the recipe need to be multiplied by?

Select all that apply. Which of the following are true? Fractions and ratios cannot have zero in the denominator. Fractions and ratios are different names for the same thing. Some fractions and ratios can be written as mixed numbers.