Alaina purchased four dog leashes for $9.98 each, four dog crates for $24.99 each, and four bags of dog food for x dollars each. Which equation
could be used to determine Alaina's total cost, C?

I’m still confused on how to work the percentages

The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)