QUICK PLS. The sum of the measures of angle P and angle S is 140°.

• The measure in degrees of angle P is represented by the expression (5x + 30)°.

• The measure of angle S is 80°.

What is the value of x?

A. 38
B. 6
C. 10
D. 22

My teacher never reviews things correctly

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?

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