Is y=20 (0.5) ^x exponential decay or exponential growth

What gives me negative 17 but positive 10

Manny used 8 tenth-size parts to model 8/10. Ana used fewer parts to model an equivalent fraction. How does the size of a part in Ana's model compare to the size of a tenth-size part? Explain.

Area of a square with a length of 20x minus the area of a circle with a radius of 4x

Lera brought a watermelon that weighed b kg to a party. Nick brought a box of candies. How much is the weight of the box of candies greater than the weight of the watermelon if the weight of the watermelon is 2/5 of the weight of the box of candies?

Factor out the greatest common factor. 3x + 27x^2 Question 6 options: 3x (9x) 3x (x + 9x) 3x (x + 9x^2) 3x (1 + 9x)

Set up and solve a system of equations to solve the problem. Casey wants to buy a gym membership. one gym has a $150 joining fee and costs $35 per month. Another gym has no joining fee and costs $60 per month.

What is the answer to the problem 2/3x-40=5/6 (x+36)

What is the value of 5 x (s+t) when s+t=289?

Three coins are tossed at the same time what is the probability that exactly 2 heads appear

What is the 32nd term of the arithmetic sequence where a1 = 12 and a13 = - 60