Explain why 4/10 : 2 and 4/10 * 1/2 both equal 2/10

he cost of a 16-ounce soda from a vending machine increases from $2.25 to $2.70. Find the percent increase.

10x - 9y = - 7 y = 3 need to find x

Find the slope of the line 2x+5y=-3.

Parabola Skate Rental rents skate boards for $4.50 per hour with a rental fee of $35. Arc of Hawk Skate Rental rents skate boards for $5.25 per hour with a rental fee of $25

Value rent-a-car rental a luxury car at a daily rate of $43.09 plus 4 cents per mile. a business person is allotted $100 for car rental each day. how many miles can the business person travel on the $100

If f (x) = 3^x and g (x) = 2x+5, at which value of x is f (x)

Match each equation with its solution set. Tiles a2 - 9a + 14 = 0 a2 + 9a + 14 = 0 a2 + 3a - 10 = 0 a2 + 5a - 14 = 0 a2 - 5a - 14 = 0 Pairs {-2, 7} {2, - 7} {-2, - 7} {7, 2}

Eliza is rolling a die and recording whether she gets an even or an odd number. She rolls the die 250 times and records the number that she gets in the table.

What number is 18% of 250

0.5 (x+0.1) - 0.1 (x-0.5)