HELP ASAP Greg's favorite activities are bike riding and hip-hop dancing. He wants to try to do these activities for 6 hours each week. He would also like to try to burn off about 2,100
calories a week. He finds that biking uses about 425 calories each hour and hip-hop
dancing uses about 325 calories each hour. He wants to do bike riding for x hours and
hip-hop dancing for y hours each week.
How much time should he spend doing each activity to accomplish his goal?

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

351°f

step-by-step explanation: