F(1) is the first term of the arithmetic sequence, then f(1)=-9
Common difference: 7
-2-(-9)=-2+9=7
5-(-2)=5+2=7
12-5=7
Answer: Fourth option
f(1)=-9
Common difference: 7
Answer:
81 sodas and 50 hotdogs
Step-by-step explanation:
131 = x + x - 31
131 <em>+</em><em> </em><em>3</em><em>1</em><em> </em>= x + x - 31 <em>+</em><em> </em><em>3</em><em>1</em>
162 = x + x
x = 81
131 = 81 + (81 - 31)
131 = 81 sodas + 50 hot dogs
Answer:
2x^2+7
Step-by-step explanation:
Cause it has only two monomials
Answer:
The measure of arc DC is 50°. Circle O is shown. Line segments A C and E B are diameters. Line segment O D is a radii. Point D is between points E and C. Angle B O D is 90 degrees. What is the measure of Arc E B C? 40° 90° 140° 220°
Step-by-step explanation:
