A cheese pizza costs $5. Additional toppings cost $1.50 each. Choose an equation in two variables that represents the total cost of a pizza. * - Answer is c = 5 + 1.50t
- BUT which of the following is NOT a solution from this problem?
1. (2,8)
2. (1, 6.50)
3. (4, 10)
4. (6, 14)
PLEASE be quick

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

Write the standard form of an equation with (see picture below)